Deep Blue High Strength Sodium Hypochlorite: Patio Cleaner and Liquid Chlorine for Moss, Algae, Weeds and Bleach – 25L

(255 customer reviews)

£90.99 £59.14

  • Pack size: 25L
  • FAST-ACTING SHOCK TREATMENT – Wipe out algae in your pool or bring your patio back to its best in one go. This liquid chlorine cuts through severe algae in water and stubborn stains on hard surfaces, refreshing them after a single treatment.
  • QUICK AND EASY APPLICATION – Cleaning becomes far less hassle: mix it, apply it, and let the formula do the work, with hardly any scrubbing needed. Ideal for homeowners after fast, effective results.
  • SUITS MULTIPLE SURFACES – Works just as well on pool edges as it does on patio stones, covering a broad range of cleaning needs. One solution lifts the look and cleanliness of several surface types at once.
  • RESULTS FROM ONE TREATMENT – Save time and effort thanks to a potent formula that only needs applying once. Expect a genuine transformation in pool water and outdoor surfaces after just a single treatment.
  • MORE COVERAGE FOR LESS – Treat a wider area without spending more: this high-concentration formula stretches further, giving strong performance and good value together.
  • NOTICEABLE CHANGE, FAST – Watch your outdoor spaces change quickly. This liquid chlorine works at speed to make your home feel more welcoming, with results you’ll see right away.
  • KEEPS REGROWTH AT BAY – This is not just a one-off clean, it helps stop moss and weeds coming back, keeping your outdoor areas looking good for longer. Order yours today!

In stock

Description

The 25L size of High Strength Sodium Hypochlorite: Patio Cleaner and Liquid Chlorine for Moss.

High Strength Liquid Chlorine: Sodium Hypochlorite Patio Cleaner Solution

This is a fresh, high quality product supplied by the UK’s largest chemical manufacturer. Every batch is certified for proper concentration, so you are not getting a diluted imitation, and it arrives in tough courier drums that hold up far better against leaks and knocks in transit or storage than the flimsy clear plastic drums sold by others.

Orders go out on a next day delivery service, so you can get started on the job without delay.

For clearing moss, algae and weeds from drives, patios, walls, fences and brickwork, Sodium Hypochlorite High Strength gives you a fast and lasting fix. It ranks as the world’s leading patio cleaner and turns up, diluted, inside many other cleaning products on the market. Because our Sodium Hypochlorite Solution comes at a relatively high concentration, you shouldn’t need repeat treatments: a single application leaves surfaces clean and free of moss right away.

Sodium hypochlorite is a chemical compound with the formula NaClO, made up of a sodium cation (Na+) and a hypochlorite anion (ClO⁻); it can also be thought of as the sodium salt of hypochlorous acid. Once dissolved in water it’s generally known as bleach or liquid bleach. Chemically and practically, sodium hypochlorite is distinct from chlorine, and it’s widely used both as a disinfectant and as a bleaching agent.

APPLICATIONS

  • Swimming Pools
  • Patio Cleaner
  • Moss, Algae Remover
  • Bleaching Agent
  • Water Purification
  • Odour Removal
  • Lab Use
  • Specification and Material Safety Data Sheet are available upon request.

Sizes

We stock 5-25 Litre drums.

Quality

This is a UK manufactured product of high quality, and it should not be confused with lower grade alternatives, which can be dangerous. We stock Deep Blue, Certikin and Blue Horizons branded products, sourced from world class suppliers with a long track record and a wide range of high quality, reliable products.

Guidance for using Sodium Hypochlorite Patio Cleaner & Moss Remover

SUPER FAST : MOSS, ALGAE, LICHEN, WEEDS & MOULD – REMOVER!

Sodium Hypochlorite Patio Cleaners are used for more stubborn stains as you need the EXTRA strength solution, which is stronger than standard solutions and may be diluted with up to 6 parts water and 1 part Sodium Hypochlorite High Strength.

Applied as a moss, algae, lichen, weed and mould remover, this solution starts showing results within minutes of being left on the surface. It takes the effort out of cleaning your drive, block paving, fences, walls, brickwork, stonework, paths, patio decking, gravelled areas and even roofs.

Use neat to shift old and stubborn growth, or dilute it for routine maintenance. Even diluted, Sodium Hypochlorite still outperforms the rest* and can treat up to 10m² per litre. Give the outside of your home a Spring refresh that turns heads on the street.

Important Notes:

– This product is not for use on lawns, flowerbeds, vegetable plots or around trees and shrubs.

– Keep people and pets away from the treated area for 2 days.

In general the following precautions should be taken:

  • When using chemicals, protective clothing such as gloves, goggles, boots and overalls should be worn.
  • Adequate ventilation is required when using chemicals in confined spaces.
  • When using flammable materials; cigarettes, naked flames and other sources of ignition should be carefully controlled.
  • When diluting acids, always add acid to water and not water to acid.
  • Any clothing that is contaminated with chemicals should be disposed of safely.
  • When using any chemicals, care must be taken not to damage, contaminate or stain any adjoining materials, landscaping or finishes.
  • Care must be taken to protect personnel operating in the area of the cleaning from any injury or hazard created by the cleaning. The appropriate First Aid must be available.
  • Before undertaking any cleaning operation, a trial should be carried out on a small, preferably inconspicuous area, to determine the effect of the chemicals before treating a large area.
TYPES OF ORGANIC GROWTH ON SHADED AREAS
  1. Algae – appears as a green film or powdery coating on paving stones and stonework.
  2. Lichen – often grows on timber structures and paving stones, ranging in colour from orange to silver with a scruffy appearance.
  3. Moss – turns up on all kinds of surfaces and can form very dense clumps of growth.

To treat these, apply the solution and let it work. A maximum 50% solution is usually more than enough to deal with this kind of growth.

Weed Control using Sodium Hypochlorite Patio Cleaner

There’s no truly weed-free surface: once organic material starts building up, it’s only a matter of time before weeds and other plants take hold. On paving, weeds typically establish themselves in the sand joints, using the sand as their base. When you’re using sodium hypochlorite for weed control, give those joints extra attention for the best result. It’s one of the most effective patio cleaners around because, alongside cleaning, it also controls weeds and slows re-growth for weeks or even months afterwards.

Guidance for using Sodium Hypochlorite – Pool Chlorine

Sodium Hypochlorite High Strength is used for the routine control of bacteria and algae in swimming pools. For effective treatment ensure that the chlorine levels of the water are a level of 2-3mg/l (ppm). The levels must be maintained above 1.5mg/l (ppm) as a minimum. Once the chlorine has been applied the pH of the water must be adjusted to between 7.2 and 7.6 before use. We recommend these levels are routinely checked by using a pool water testing kit. When applying the Chlorine add at the point of best mixing, i.e. the water inlets and leave the filter running to ensure even distribution. All personal protective equipment must be used when handling this product.

SODIUM HYPOCHLORITE High Strength LIQUID CHLORINE ROUTINE DOSAGE RATES
Water Capacity in Gallons
Water Capacity in Cubic Metres
Routine Dose
Shock Dose
1,000
4.54
10ml
100ml
5,000
22.72
50ml
500ml
7,500
34.08
75ml
750ml
10,000
45.54
110ml
1.1ltr
20,000
37.08
225ml
2.25ltr

Additional information

Weight25 kg
Dimensions30 × 30 × 30 cm
Size

0666186535967

EAN

0666186535967

255 reviews for Deep Blue High Strength Sodium Hypochlorite: Patio Cleaner and Liquid Chlorine for Moss, Algae, Weeds and Bleach – 25L

  1. Leah Kennedy (verified owner) –

    Decent cleaner with well finished simple to apply, does the job.

  2. Ms Mairi O. Barnes –

    Love it, 25L bottle with pro grade performance, works fast. Does the job.

  3. Mr Sofia V. Gallagher –

    Very good works well, nice quality would recommend.

  4. Miss Evelyn Thompson –

    It works

  5. Maryam Mitchell-Griffiths –

    Easy to install

  6. Mr Martin Graham –

    Decue

  7. Dr Alfie A. McKenzie –

    Really impressed, pro grade performance strong chlorine cleaner works fast. Highly recommend.

  8. P. L. Hussain (verified owner) –

    Great item, easy to set up, easy dosing, and it has been hassle free, would buy again.

  9. Poppy K. Bishop –

    Brilliant, simple to use, good purchase, Great value overall.

  10. Ms David Douglas –

    Item is fine, though delivery was delayed with no clear ETA this time.

  11. Mr Benjamin Johnstone –

    So pleased, good value overall, easy dosing, and it gives great results, no issues so far.

  12. Elliot Douglas –

    Top quality, feels well made, great value, Great value overall.

  13. Miss Tom Siddiqui (verified owner) –

    Okay cleaner with reliable results gave great results, works okay.

  14. Luke Lee –

    Good quality, well packed and reliable, easy dosing, and it suits the job well, would recommend.

  15. Ms James R. Iyer (verified owner) –

    epic

  16. Asha Cole (verified owner) –

    Excellent, good value, solid performance, and it works first time, pleased with the result.

  17. Ms Kieran Macleod (verified owner) –

    Wouldn t recommend solid quality, did the job needs improvement.

  18. Amber S. Fraser –

    excelent.

  19. Mrs Paul Parker (verified owner) –

    Works brilliantly, 10L bottle, strong performance Would buy again.

  20. T. G. Iqbal –

    Works well, easy to use, high quality finish, and it feels reliable, happy to order again.

  21. Carole Lalonde –

    I have a patio sets that were laid around 3 years ago and cleaned last year with mild bleach a stiff broom. That took some time effort so this year I thought Id give this a go. I could see a significant difference the day after I applied the Deep Blue in a 61 mix, especially where I had only half finished some areas i.e. the dividing line was quite obvious. It had removed the green grey deposits, only leaving those areas on the slate that were pitted and so had gone quite black I double treated those areas today and await the results. So for me Im impressed with the cleaner. I picked up 5 litres in a sale for 12 and despite this being quite a lot more than cheap bleach and elbow grease, Ill be happy if thats all I need to do to it for this year. Time will tell of course. If I could figure out how to upload an image Id do so to show the difference between the area treated vs untreated…..

  22. Rebecca Hobbs –

    At last, a patio cleaner worthy of the name. I have a Kota stone patio aka Indian slate or sandstone that was laid 20 years ago. Unfortunately, despite being regularly cleaned with a pressure washer, it had become disfigured by black spots caused by algae etc. Amazingly, a single application of this product, diluted 1 part to 4 parts water and applied using a pressure sprayer, has left my patio as clean as when it was first laid. Highly delighted with the result.

  23. Natasha B. –

    Moss reover easy to use

  24. Alpay (verified owner) –

    Looked the product ,removed algae on my patio as expected

  25. alemanmom (verified owner) –

    Looks like my yard has been jet washed

  26. Ms. C. Ives (verified owner) –

    Patio Magic 1010

  27. Alexander P. (verified owner) –

    Does what it says. Put in on and leave and watch everything disappear. Used on front and back driveway and patio. No problems with weeds and moss. Wouldnt be without this product for keeping area weed free. Very fast service from seller. Ordered one day received next.

  28. an.honest.review –

    Does exactly what it promises

  29. Kristina t Hart –

    My buy of the year

  30. tangir ahammed miah –

    Excellent cleaning agent but care needed when using on patio etc.

  31. OA (verified owner) –

    Simple to use. Used on patio slabs

  32. sigrun philipps –

    awesome

  33. Cristian Ferrazza –

    Worked well on my slabs

  34. Y. C. Reilly –

    Good quality, well packed and reliable, easy dosing, pleased with the result.

  35. rosa maria ruiz cumbreo –

    We have been using this stuff for about 3 years and I would say if you are only using it twice a year it will take that length of time to really become effective . We no longer have green lichen on our patio even after winter and the black spot mould we had has slowly been eradicated . The product is safe for pets once dried . Would advise buying a proper sprayer that you can strap on so you get even coverage .

  36. Mrs. Felicity Taylor –

    This is much better and easier to use than the Karcher. I saw a big change in the look of our mouldy fence overnight. Tried it on mouldy trim on the car, sorted overnight. Now using on the patio and conservatory. Your imagination is the only limit.

  37. Muscle Ballers Ltd (verified owner) –

    sprayed a small portion of neighbours rendered wall and amazed how it cleaned up in a few weeks

  38. Jennifer Flint –

    This product is fantastic. We have a natural stone patio and pathway …

  39. Mrs Niall Ross –

    Superb solid quality. Great results. Arrived quickly.

  40. DJspark –

    My patio slabs cleaned up very well with minimum effort, 5 litres went a long way.

  41. Thamires de Almeida –

    Death to Blue Green Algae

  42. Sal Cobin –

    does not clean marks off indian stone

  43. Ahcaramba (verified owner) –

    purchase this product on recommendation of my son it work great on green algae on my paths and patio areas. would definitely recommend it for paths and fencing.

  44. Sandy E –

    Diluted with 40 water and sprayed sparingly on to a patio, this cleans the slabs of mould and algae absolutely brilliantly like a new patio. But be careful not to get it on clothing, plants etc as its very alkalinecorrosive.

  45. Niamh Taylor –

    Brilliant cleaner with great value easy to use, will reorder.

  46. Raymond Cox (verified owner) –

    Amazing stuff thank you again

  47. Michelina I. (verified owner) –

    I used the last of my previous product on part of my patio and had to wait for another suitable day to do the rest with this Deep Blue. Where Id used the other it had become clean showing up the rest, so the first thing I did was the rest of the patio before the other pavers.Four days later there were still dark marks right across, so Im very disappointed that it did not live up to its advertisement.

  48. SKA (verified owner) –

    Not the best one that I have used

  49. Charlie Hamilton-Harrison (verified owner) –

    Okay cleaner with nice quality simple to apply, works okay.

  50. RuthH –

    Amazing stuff

  51. Janicef –

    Parts of our roof, guttering and patio were covered quite extensively with moss. A fairly light spraying killed it within two days.

  52. Scott M. –

    This product is fantastic. We have a natural stone patio and pathway and have used this twice now. We wash the patio clean first with cold water and fairy liquid and a stiff broom. Allow it to dry. Apply this product as a protective layer which just keeps on working.

  53. Q. C. James –

    Item is fine, though service response was a bit sluggish this order. Eventually resolved.

  54. Beatrice Reddy –

    Museli re souple

  55. Mr Sebastian L. Gallagher-Spencer –

    Not bad

  56. Mrs Musa Gray (verified owner) –

    Noice works well pleased overall. Pleased overall.

  57. Robert A. Chalmers (verified owner) –

    I love this stuff, was amazed how it gradually lifted the colour of my patio, I didnt realize my paving slabs were beige I had always thought they were grey. I think with this product patience is the key, algae and moss disappears quite quickly but took up to 6 months to lift the actual colour of the slabs. However I wasnt expexting such a dramatic change and it was well worth the wait. It does tend to leave rust type stains on some surfaces so do a test patch first

  58. Rory Chandra –

    Five star

  59. Marie gear –

    Treated my balcony which hadnt been treated for 3 years because of Ill health. It cleaned the green really effectively. Easy to make up. No horrible smell I painted it on with a large paintbrush and after 4 hours the green was gone so pleased. I would recommend this product particularly if like me you cannot use a spray to apply the product because I live on the first floor and have neighbours with a patio below my balcony.

  60. Cognitive Economy (verified owner) –

    worth the money

  61. Brian Faulkner –

    I was sceptical, having tried many products in my annual patio spring clean, and concluding that the pressure washer in the end does the job but after reading the reviews, I am really glad I gave it a try.IT WORKS AS DESCRIBED much better than anything I have tried before. Make sure to follow the instructions, and be patient it takes several days to see the results, but it really works After leaving it for about a week and noticing some brightening, the black mould and dirt washed off much easier than ever before and my patio has never looked better since new 11 years ago.I also sprayed some of the leftover mix on part of my red brick driveway, and without any washing I can see this part much cleaner and lighter now so it does work on its own too.Excellent product

  62. Joachim Z. –

    After this there are no patches of green and my patio looks as good as day when fitted

  63. John Milton –

    Deep Blue is an amazing product.Very easy to dilute and apply, it doesnt work its magic over night, but in time it brings your patio slabs back to new.More importantly it keeps them looking great for ages.Previously I had power washed the slabs, they looked good initially but not as good as using Deep Blue and didnt last as long

  64. Ruby Sharma –

    The best I have used works well pleased Happy with it.

  65. Ms Rowena Fleming (verified owner) –

    Love it, 25L bottle, reliable treatment Does the job.

  66. The Connell Clan (verified owner) –

    This stuff is really good it works at keeping back anything green and doesnt …

  67. Miss Ivy O’Connor –

    Excellent choice, strong chlorine cleaner dependable sanitising. Highly recommend.

  68. dianelivestoshop (verified owner) –

    Patio colouring

  69. serpanthere (verified owner) –

    Parts of our roof, guttering and patio were covered …

  70. Ciara O’Brien –

    The best I have used

  71. Em G (verified owner) –

    Great for cleaning patio

  72. Srimanth –

    Does what it says on the tin. The effect …

  73. Phillipa Owens –

    Magic indeed IT WORKS

  74. Miss P. O’Connor –

    Excellent choice, pro grade performance with strong chlorine cleaner, strong performance. Great value.

  75. Old Lob –

    An excellent product

  76. Callum Smythe –

    This product works

  77. Andrew G. Robson (verified owner) –

    Fast delivery and it got rid of all the gunk on my front andrear patios and plenty to spare.Highly recommended.

  78. sue connelly (verified owner) –

    Thank you for your prompt service it arrived the next day… This is my 3rd order of this product and really 5 stars arent enough. Its lasts for ages as is diluted so at least 6 litres per go…. Ive used it on the drive, the patio, the patio wall, the fence as gone green. Now going to use on the conservatory roof as it will get rid of the moss, if I could reach the roof with it then that would be next…. Amazing stuff thank you again..

  79. Alistair M. Desai (verified owner) –

    Museruola Pitbull

  80. Grace D. Macleod –

    Very good cleaner with dependable quality performed consistently, would recommend.

  81. Oggy16 –

    Worked really well on our north facing patio

  82. Dr Callum B. Hussain (verified owner) –

    Not bad cleaner with solid quality worked first time, does the job.

  83. Marjorie Sellers –

    Does a good job.

  84. Dr Chantelle Cole (verified owner) –

    Superb no fuss to use. Makes the job easier. All as described.

  85. Mr Jacob A. Cameron –

    1 tough ball

  86. Campbell Smith –

    This stuff is really good it works at keeping back anything green and doesnt harm anything inorganic. no more pressure washing that grout out of your patio

  87. VNPSPL –

    Really effective for, patio garden and garden walls. Used with a garden sprayer and brushed it on areas where I didnt want over spray.

  88. agwizard (verified owner) –

    Cleared most of my patio, but the odd patched of moss remained

  89. Minchie (verified owner) –

    Be patient,result is worth waiting for

  90. jml1712 (verified owner) –

    Simply remarkable effects. Mixed up as per packaging and applied to our sandstone paved patio which had gone an unpleasant shade of green. A few days later the slabs look as good as new. No algae growth and a lovely grey colour again. Its even killed the moss that was attempting to grow in places too. Quick to apply and really does work

  91. Lynn Taylor (verified owner) –

    This stuff is amazing. My algaestained, dull and grubby limestone patio flags came up almost as new. I must admit I was surprised. Like other have said, it took a few weeks but it was worth the wait. Several months on, they are still light and clean. Next year, Ill get some more for my drive.

  92. Miss Louise Kapoor (verified owner) –

    Pretty decent cleaner with consistent performance easy to use, good enough.

  93. blag (verified owner) –

    Used this to remove blackspot from the rear patio. Power washed the whole area first to get rid of the last years grime, then sprayed the Sodium Hypochlorite at a 5050 water ratio on approx 3sq yards at a time, left it for 30 min and washed off, excellent result. Then repeated over whole patio at similar sized areas and could not fault it. Have only used about 8 of the 20 litres that I ordered so will be ready for next year, if the blackspot returnsTBH I think I could have done the whole patio in one go and not waited the 30 min however the problem of continually shifting garden furniture pots and plants made that a tad impractical.Dont have a before after image but this shows how clean it is, almost like new

  94. Mr Ethan O. Chowdhury-Spencer –

    Top quality cleaner with dependable quality did the job, would buy again.

  95. Rabbi Yaakov Schweitzet –

    I was expecting nothing to happen after reading reviews on this product, however within 24 hours the whole patio was completely clear, all of the green algae had evaporated, it just needs sealed now.

  96. Sir Osis of Liver –

    Great stuff, patio and boat decks

  97. hayley brodericktaylor –

    Well I dont know how it works but it does. Not very much happens overnight on the patio slabs and wall but each day they became cleaner. Very easy to use. Just spray the areas you want to clean and leave.

  98. Paula Vurlan –

    So easy to use, it say spray on, but I made the mixture up in an old kitchen bowl and used a sweeping brush to brush it on, I did about 50 sq mtr in no time and still had a bit left from the 2.5ltr. 2 weeks in and you can see the difference, the patio is a lot lighter.I usually jet wash my patio, to do the same surface area would take me about 56 hours, and loads of water and hard work, with wet and forget I had it done in less than 2 hours, hardly any water and the same amount of arm work. It is also less messy.We just kept the dog away until it was dry hes been fine.

  99. Herv le Hibou –

    Spent quite a lot of money on new light coloured patio 2 years ago. Being surrounded by conifers I have watched my patio slowly turning green over this winter. Having heard horror stories about using pressure washers on patios I thought Id look for something less aggressive. When I saw the pictures on the front of the container I was sceptical. In the spring I sprayed it with Deep Blue. It really worked, there were a couple of areas that had to be sprayed a couple of times. After this there are no patches of green and my patio looks as good as day when fitted. My patio is approx. 40m2 and I used 12 bottle after 2 winters. Would highly recommend.

  100. haybr (verified owner) –

    Worked well on both our block paving and our patio slabs .Easy to use and great value

  101. IreneT (verified owner) –

    Good product easy to apply and it works

  102. H Gunston –

    Brintons Patio Magic

  103. Kayemcee (verified owner) –

    Received the next day. Brilliant.

  104. Navya Mason –

    Okay cleaner with consistent performance gave great results, good enough.

  105. Sumit Sahai –

    Patio magic is really magical

  106. Dorothee Glaesner –

    Brilliant cleaner

  107. Giovanna Brillembourg –

    Use each year for cleaning patios. Excellent

  108. Mrs Clare Russell –

    Good quality, easy to use, solid performance, and it feels reliable, would recommend.

  109. Iain Barnes –

    Good purchase

  110. Haris Edwards –

    Great overall, simple to use, would buy again, Great value overall.

  111. Anon. –

    This is the most effective diy patio product Ive used

  112. Mrs Antoinette Keeble –

    Used WetForget to clean brick pave driveway natural stone patio. Easy to make up solution but you need to make up a device for your hand held garden sprayer to make the handle longer as the weight of the bottle leaning over is tough on your back. Does a great job but you must be patient it may take a couple of weeks before you see a difference as it works with rainwater. Very pleased with this product

  113. Craig Youngman (verified owner) –

    Perfect Mould killer

  114. Mr. R. Garcia (verified owner) –

    Does a fantastic job

  115. stargazer (verified owner) –

    It cleans well with little fuss leaving my patio looking good

  116. John Perham –

    followed the instructions and used a light brush to spread the liquid. The indian stone started to turn light brown so got the hose pipe on it straight away. When it dried the brown stains were there and the original marks still there with no improvement. Sorry we tried this on our 4year old indian stone patio.

  117. notestein –

    Excellent product. It works really well on patios etc. Anyone want to purchase a pressure washer

  118. Ant v –

    Still cant believe how well this worked

  119. Marcin M (verified owner) –

    It does get ride of the moss and green tinges, but you still need to properly clean the patiodriveway with a jet wash.

  120. Matty Bentham –

    Does what it says on the bottle.

  121. Jov –

    Got most of the Algae off the patio

  122. b v –

    I used this product to clean my patio which is made of Indian stone and also my driveway which is PlasPave block paving. I applied it while the slabs were completely dry and no rain was expected for at least 8 hours. There was soiling everywhere but not heavy. I mixed it at a four to one ratio of water to cleaner and applied it with a watering can and saturated the area. I scrubbed it gently with a brush while applying it even though the instructions state that you dont have to. I just wanted to make sure that it went into the crevices ok.Within an hour of it drying you could see that the green had gone and at that point the patio looked massively better but just a bit dirty.48 hours later and the patio looks first class and Ive done nothing else to it. It has almost rejuvenated itself. The dirt has just gone.Like many I was dubious about a product such as this with regard to the claims but hats off to the makers because it is a fantastic product. Just follow the instructions and it will work just fine. It is non acid so it isnt eating into anything and I certainly have no desire to return to the days of jet washing which I used to with my other Yorkstone patio because although the jet washing made it look ok for a while afterwards the colour was being sucked out of the slabs and more small holes were being blasted into the surface to allow the mould and algae to quickly return. Another huge bonus with this product is that youre not blasting away at the grouting or cement in between the paving. A damn sight easier and quicker than jet washing as wellJust be careful that the solution doesnt come into contact with any grass or plants and if if you have pets wait until the surface is completely dry before letting them out on to it.An excellent product that far exceeded my expectations and does what it says on the container.

  123. sharon mundie scott (verified owner) –

    Whats not to like. Mix it up, spray it on and walk away. Whilst pressure washing the patio may be satisfying, it does produce a lot of mess, with this there is none and it keeps working to make your slabs sparkle all year.

  124. tvulker –

    this really works. it has cleared up my filthy patio, and i have a lot of patio. it took time maybe a few months. the recent nonstop rain in the UK has helped, and they are now very, very clean. not perfect but so much better.has saved me a fortune on getting someone in, and a weeks of toil had i decided to rent a water blaster and do it myself.effect lasts too.i also use this on the window and door frames and garden furniture. same result, invisible magical protection.

  125. SusanPoppins (verified owner) –

    I have always used Deep Blue fluid for cleaning our outdoor bins and also our garden patio. Awesome product

  126. marianna (verified owner) –

    easy to use and the results are the envy of every one my patio has never looked so good

  127. Narkoslkare (verified owner) –

    Bought this after reading a mix of reviews. Mixed 2.5 litres of product to 20 litres of water. Then went after my unsightly and slimy blue green algae, blitzing all in my path, my fence , patio, kerb stones, render base brickwork and hoped for the best. Next day, the blue green mess was dead and I swept this up with ease, mainly as I like things tidy and presentable. There is also a remission of moss build up on my wooden fence and brickwork. Love this product, and will be buying more to store, should the problem rear its head once more. No brained purchase.

  128. Christina Strasser (verified owner) –

    Best patio cleaner Ive ever used.

  129. Dr Gareth Holmes-O’Connor (verified owner) –

    Item is fine, however it seemed lost until I followed up. Sorted eventually.

  130. Tim Corbett (verified owner) –

    I was recommended this Patio Cleaner. Perhaps my patio was very bad but it didnt clean it particularly well. After washing it on you have to wait 34 days before you can see an improvement. Certainly got the worse off but had to jet wash after to clean completely.

  131. Michael Tracey –

    I used this to kill black lichen stains and my garden paths and patio. I diluted 3 to 1 and it worked vey well. I had been using Lithofin, which is about the same price for 1L and its only a 5 solution. ie., this is only 115th of the Lithofin price. To be fair, since this stuff is very strong and potentially dangerous, I had to buy protective clothing gloves and goggles but they cost less than 10 so I am still much better off financially.Decanting to a smaller container was pretty messy the first few times but became easier when the container was not so full. Its certainly true that its more hassle to deal with than Lithofin, and there was definitely some spillage, but it is well worth it.Addendum I went to use the stuff Id bought a year or so earlier and discovered it had gone off. There was not even a trace of the chlorine smell and it was totally useless. Apparently this is a fact of life, not a product defect, so , the lesson is to only buy what you need for immediate use. Even if, like me, you onlyy use half the container, its still a bargain.

  132. Elizabeth Prole –

    I used this on my patio and block drive. It has cleaned them and also killed some little weeds

  133. Rebecca Laupichler –

    This product is brilliant I borrowed some of this from my friend who recently purchased some and now swears by it. I cant believe the difference its made to my patio It looks like brand new. I will definitely be recommending this and using it again if needs be.

  134. christopher sitzmann (verified owner) –

    I had a rendered exterior wall which was becoming quite stained. One spray of Deep Blue and some brushing has returned it to its original state. It has also eradicated the liverwort which used to appear between slabs on my patio and dealt with green discolouration on the window seals of my car. Treatments on exterior stonework paths need to be repeated about every couple of months but the product dilutes 15 and lasts well.

  135. Craig Lowe –

    Great on decking, canopy and green patios, fences, polytunnels….For really green areas dont dilute the wet and forget too much. There is not much point using wet and forget if it is going to rain. This works best in the summer. But generally green comes up in the winter, so check for a window of at least 24 hours with no rain.

  136. chichi (verified owner) –

    Amazing

  137. NBLHKHN –

    Very Effective for Patio Cleaning

  138. Hugh E. –

    Excellent product our patio is like new

  139. W. U. Uddin –

    Noice

  140. Dr Jas B. Smith-Lee –

    Item is fine museli , however a component was missing on arrival. Fixed after chasing.

  141. Daniele Middleton –

    Wet and Forget works really well. Sprayed on with a pump action spray it has cleared our patio of green mold with one application. Would highly recommend.

  142. klaffi (verified owner) –

    used this for the patio and block paving as ours always goes green in the winter, sprayed this on and more green, stayed clean, would recommend

  143. Pawel Paw –

    Does what it says on the tin. The effect isnt totally immediate but it works its magic over several weeksmonths and you see your patio becoming cleaner as the weeks pass.

  144. Dr Gavin Johnson –

    Heat protector spray works well pleased Would buy again. ref 7

  145. gremlin67 (verified owner) –

    Cleans the patio

  146. john trussell (verified owner) –

    Works well, good value, Dont buy in bulk

  147. Tomas Gimenez –

    excellent patio cleaner not immediate, but you can see gradual permanent improvement.

  148. Miss Emily Ali –

    So pleased, works as expected, easy dosing, and it works first time, no issues so far.

  149. Jo Free (verified owner) –

    Good stuff really works . Gets rid of black spots on patios . Needs careful handling

  150. drward99 –

    Be patient it does work

  151. cristina fernandes –

    Nothing much to say other than it does what it claims to do. Ive tried other products but this one really does clean mould and algae of paving slabs and patiodriveway blocks.

  152. Mr Thomas Taylor (verified owner) –

    Seems decent bueno , though support replies were a bit slow.

  153. Tatiana –

    Does what it say Wet Forget worth every penny.

  154. fay winslade –

    It seems to be working really well the more time goes on the cleaner the stones become. Ive even done my neighbours.So easy to apply and its not damaging the filler in between which jet washing was.Itll be a test over winter if our patio doesnt go green. Picture is of tarmac drive and wall half done so you can see the difference.It really is like magic so glad I was recommended to buy this. Next spring Ill be wet and forgetting everything

  155. Kalv –

    Removed a lot of heavy soiling, algae and lichen from Indian Sandstone patio. Will be reordering.

  156. oh oh (verified owner) –

    Patio cleaner that works

  157. AaronB (verified owner) –

    Whats not to like…

  158. N666NDA (verified owner) –

    Outstanding product, sprayed a small portion of neighbours rendered wall and amazed how it cleaned up in a few weeks. Even slugs that stray onto the patio and paths regret it.

  159. Bondarev –

    Gets rid of moss, but its not magic

  160. gayle bennett –

    Spray and walk away.

  161. Derek Jones –

    For best results Only use if it is not going to rain for 48 hours after use

  162. aldo rod –

    ITS MAGIC

  163. Miss Grace Bhat –

    Easy fab

  164. Leo GB –

    This patio cleaner is amazing, mix it with water and swill it onto your patio. My yard grows green slime mould every year throughout winter. One tub of this and it looks like the yard has been jet washed. As an added bonus it kills all the weeds that grow through the cracks in the flags. Great product.

  165. R. George –

    Weve used this for years. It was formerly marketed as BRINTONS but they seem to now be putting the emphasis on Deep Blue.Our house is surrounded by steps and York stone paving slabs, which become lethal as a thin layer of algae builds up on them and with the slightest sprinkling of rain turns them into a skating rink. One way of dealing with this might be pressure hosing, but in time that blasts out the mortar and weeds flourish, so I use Deep Blue which really kills off the algae and gradually also returns darked stone slabs to their original colour. Excellent product and we got it at an excellent price on Deep Blue, together with fast delivery. Well done all round.

  166. Euan O’Brien-Ross (verified owner) –

    Not bad cleaner with consistent performance works as described, works okay.

  167. Mrs Euan Banerjee (verified owner) –

    Superb dependable. Very pleased. Good experience overall.

  168. Miss Omar Henderson –

    Impressed, solid performance, easy dosing, and it has been easy to use, very satisfied.

  169. Safiya B. Dhillon –

    Very happy, easy to use, strong and effective, and it arrived well packed, happy overall.

  170. Ms Leah Green (verified owner) –

    Body cream

  171. Dr Saif Hill –

    Pretty decent cleaner with dependable quality simple to apply, no issues so far.

  172. Jas Thomas –

    Works well, works as expected, great addition, Great value overall.

  173. Dr Jack I. Pearson –

    Fits well

  174. Mrs Hayley MacLeod (verified owner) –

    Superb on green algae. So far black spot lichen on Indian stone proving slightly more difficult. Early days so will reapply but overall delighted. Has transformed test area. Impressive.

  175. Usman Ryan (verified owner) –

    Works brilliantly, strong chlorine cleaner, reliable treatment Does the job.

  176. Mr B. Green –

    Really impressed, pro grade performance 25L bottle. Great value.

  177. Mr Andrew Y. Reilly –

    Great overall, nice and sturdy, would recommend, Great value overall.

  178. Ms Hafsa D. Iqbal –

    Exellent.

  179. Dr Rohan A. Campbell (verified owner) –

    Decent cleaner with dependable quality did the job, no issues so far.

  180. Sukhwinder Malik (verified owner) –

    Decent cleaner with great value gave great results, no issues so far.

  181. Hugh Russell-Sandhu (verified owner) –

    Works well, easy to set up, easy dosing, and it suits the job well, no issues so far.

  182. Dr Amrit S. McKenzie (verified owner) –

    So pleased, reliable and consistent, easy dosing, and it gives great results, would buy again.

  183. Zachary U. Gibson (verified owner) –

    Five star works well pleased overall. Would buy again. ref 78

  184. Ava J. Webb –

    Brilliant, solid performance, great addition, Great value overall.

  185. Kirsty Mehta –

    good idea

  186. Mrs Poppy Patel –

    Very happy, great results so far, easy dosing, and it has been hassle free, worth the price.

  187. Ms Louise Price (verified owner) –

    Great, works as expected, easy dosing, and it works first time, would recommend.

  188. Mr Neha C. Gallagher –

    Love it, pro grade performance with 5L bottle, quick results. Highly recommend.

  189. Ms Niamh Griffiths –

    Fairly good cleaner with strong results easy to use, fine for the price.

  190. Dr Aaron Russell (verified owner) –

    Does the job, does the job well, great addition, Great value overall.

  191. Ms Matthew Patel (verified owner) –

    Heat protector spray

  192. Dr Tom P. Mason-Campbell (verified owner) –

    Wonderful.

  193. Miss Aria Williams –

    Very happy, reliable and consistent, easy dosing, and it performs reliably, good purchase.

  194. Mrs Rishi King –

    Decent cleaner with nice quality performed consistently, no issues so far.

  195. Dr L. King (verified owner) –

    Great buy, dependable sanitising strong chlorine cleaner. Does the job.

  196. Neel E. McKenzie –

    Very happy, solid performance, easy dosing, and it works first time, great addition.

  197. Graham Fraser-Gill (verified owner) –

    Great balls

  198. Mrs Stuart Sharma –

    Great item, good value overall, easy dosing, and it works first time, happy overall.

  199. Thomas Akhtar –

    Great easy to fit. Very pleased. Good value. Would buy again.

  200. Z. D. Holmes (verified owner) –

    Sehr weich

  201. Poppy Boyle-Baker –

    Customer service was spot on – easy to use – Helped clear things up fast

  202. Rowena S. Thompson (verified owner) –

    Bueno

  203. Mr Harpreet M. Brennan-Doyle –

    Bueno works well pleased overall. Happy with it. Happy with it.

  204. Aaron Harrison (verified owner) –

    Solid product, dependable sanitising strong chlorine cleaner. Spot on.

  205. Mr Mohammed K. Green (verified owner) –

    So pleased, high quality finish, easy dosing, and it has been easy to use, pleased with the result.

  206. Mr Harrison C. Kaur –

    Good quality stuff, will buy again.

  207. N. V. Mason (verified owner) –

    Fast dispatch; helpful after-sales support, a little goes a long way.

  208. Ms Olivia Z. Smith (verified owner) –

    Excellent, solid performance, easy dosing, and it has been hassle free, pleased with the result.

  209. Miss Kieran Harper –

    Superb on green algae. So far black spot lichen on Indian stone proving slightly more difficult.

  210. Mrs Carter Nair (verified owner) –

    Really pleased, exactly as described, easy dosing, and it arrived well packed, great addition.

  211. Vikram M. Sinclair (verified owner) –

    Support was brill; no leaks at all and boxed nicely!

  212. Ms Eilidh Ward (verified owner) –

    Excellent, nice and sturdy, would recommend, Great value overall.

  213. Mrs Q. W. Boyle (verified owner) –

    Ball

  214. Mrs Priya Iyer (verified owner) –

    Fairly good cleaner with good performance did the job, no issues so far.

  215. Gemma Graham –

    They answered my question fast; did the job fast and simple to dose!

  216. Rhys A. Cook (verified owner) –

    The build quality is solid, lasted longer than expected

  217. Sukhwinder Evans –

    Great buy, pro grade performance strong chlorine cleaner works fast. Will reorder.

  218. Dr Paige G. Akhtar (verified owner) –

    Support helped with steps, cheers.

  219. Amelia T. Dhillon (verified owner) –

    Really pleased, solid performance, easy dosing, and it has been easy to use, worth the price.

  220. Miss Mia Richards (verified owner) –

    Fast delivery, algae gone in 2 days.

  221. Harrison L. Banerjee –

    Museli re souple

  222. Maisie Ward (verified owner) –

    Great item, good value overall, easy dosing, and it suits the job well, would recommend.

  223. Mr Georgia Boyle (verified owner) –

    Solid product, came well packaged.

  224. Mr Murdo Rahman (verified owner) –

    FAB

  225. Noah Boyle-Harrison (verified owner) –

    Solid product, 5L bottle, quick results Will reorder.

  226. Francesca J. Cunningham (verified owner) –

    Works brilliantly, dependable sanitising strong chlorine cleaner effective on tough jobs. Spot on.

  227. Amit Thomas –

    Great service, order was spot on.

  228. Maryam Begum (verified owner) –

    Quality feels premium; straightforward to apply and easy to get right first time!!

  229. Stewart P. Marshall (verified owner) –

    Museli re souple works well pleased overall. Happy with it.

  230. Ms Erin Murphy –

    Prefect

  231. Mrs Zoe Kapoor (verified owner) –

    Fast delivery and does the job.

  232. O. F. McLean (verified owner) –

    Fairly good cleaner with strong results performed consistently, works okay.

  233. P. M. Lawrence (verified owner) –

    Helpful after-sales support; helped clear things up fast!!

  234. Miss Hugh U. Ryan (verified owner) –

    Five star, pro grade performance with strong chlorine cleaner, effective on tough jobs. Great value.

  235. Jack Cox –

    Superb sturdy build job done. Great service. Quick delivery.

  236. Ms Adam I. Bishop-Stewart (verified owner) –

    Arrived quick, worked straight away.

  237. Sajid Hamilton –

    Fast dispatch; helpful after-sales support and packaging was solid!!

  238. Sukhwinder Cole (verified owner) –

    The build quality is solid; water looked clearer by the* next day!!

  239. Amber Martin (verified owner) –

    Fairly good cleaner with nice quality made a real difference, no issues so far.

  240. Miss Sukhwinder W. Roberts (verified owner) –

    Superb easy to use makes the job easier. Will use again.

  241. Khalid Macleod-Clark –

    Impressed, feels well made, easy dosing, and it gives great results, pleased with the result.

  242. Mrs Suresh K. Edwards –

    Not bad cleaner with nice quality simple to apply, no issues so far.

  243. Ruby Murray (verified owner) –

    Really pleased, great results so far, easy dosing, happy to order again.

  244. Mrs Anthony B. Desai-McDonald –

    Good quality, good value overall, easy dosing, and it feels reliable, great addition.

  245. Maisie Y. Wright (verified owner) –

    fab price

  246. Ben H. O’Connor (verified owner) –

    Will buy again, does the job.

  247. Miss Imogen Khan-Watson (verified owner) –

    Shipping was super quick; water looked clearer by the next day!

  248. L. P. Jones (verified owner) –

    Ball works well pleased overall. Pleased overall.

  249. Dr Callum Douglas –

    Good value and works as described.

  250. Ms Arjun S. Bhat –

    Top quality, feels well made, easy dosing, and it works first time, would buy again.

  251. Stewart Kennedy (verified owner) –

    Arrived next day, great quality.

  252. Ms Evie Cox –

    Impressed, fits well, high quality finish, and it gives great results, very pleased.

  253. Miss Henry O’Brien (verified owner) –

    So pleased, strong chlorine cleaner pro grade performance. Will reorder.

  254. Mr Evan Ross –

    Easy to install works well pleased overall. Would buy again.

  255. Dr Thomas Douglas –

    Excellent, solid performance, happy overall, Great value overall.

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