Deep Blue Granular Shock Calcium Hypochlorite Treatment - 15Kg
Deep Blue Granular Shock Calcium Hypochlorite Treatment - 15Kg - Image 2
Deep Blue Granular Shock Calcium Hypochlorite Treatment - 15Kg - Image 3
Deep Blue Granular Shock Calcium Hypochlorite Treatment - 15Kg - Image 4
Deep Blue Granular Shock Calcium Hypochlorite Treatment - 15Kg - Image 5

Deep Blue Granular Shock Calcium Hypochlorite Treatment – 15Kg

(196 customer reviews)

£152.99 £99.44

  • Pack size: 15Kg
  • 70% Available Chlorine: A high chlorine content makes these granules effective for treating pool water.
  • Tackles Algae: Clears green water thanks to the strong algae-fighting action of these granules.
  • Simple to Use: Add the granules straight through the skimmer for quick, hassle-free dosing.
  • After-Storm Care: Guards your pool following a thunderstorm with a shock dose that helps stop algae taking hold.
  • Keeps pH Balanced: Helps hold your pool water within the ideal 7.2 – 7.6 pH range for clearer results.
  • Controls Free Chlorine: Helps maintain chlorine levels between 1 – 3 mg/l for a healthy swim.
  • Dissolves Easily: Pre-dissolve the granules in water before adding to the pool for efficient spread.
  • Prevents Cloudy Water: Keep the filtration pump running after treatment to clear any short-term cloudiness.
  • Safe Bathing: Wait until chlorine drops below 5ppm before swimming resumes, for a safe experience.
  • Storage Advice: Keep the product in a cool, dry place to maintain its effectiveness and keep it free from damp.

In stock

SKU: DBPRCH022-3 Categories: , Tags: , , , , Brand:

Description

This is the 15Kg option of Granular Shock Calcium Hypochlorite Treatment.

Step into pool maintenance made easy with Deep Blue Pro Granular Shock. Enter a world where crystal clear water isn’t just wishful thinking but an achievable reality. Let’s take a closer look at this traditional shock treatment product, ready to transform your pool care routine.

Picture a spotless pool, free of algae and impurities, inviting you in for a refreshing swim. With Deep Blue Pro Granular Shock, that picture can become your everyday reality. These calcium hypochlorite granules carry an impressive available chlorine level of approximately 70%, making them a strong chlorine donor for solving pool water problems head on.

When algae takes hold and you need to bring your pool water back to a sparkling state, Granular Shock Chlorine is the answer. Its powerful formula works hard to remove algae and other contaminants, leaving your pool water clear and inviting.

One standout feature of Deep Blue Pro Granular Shock is how versatile it is to apply. Whether you add it straight to the pool or through the skimmer, it spreads conveniently and effectively through the water, so no corner is left untreated.

The benefits don’t end there. Deep Blue Pro Granular Shock equips you to handle even the trickiest pool water situations, from post-thunderstorm treatments to everyday maintenance, making it a trusted ally for a pristine pool.

Let’s look at the application instructions to get the most from Deep Blue Pro Granular Shock. Keeping pH levels and free chlorine residuals in the optimal range is key to keeping your pool water in top shape. Following the dosing guidelines and application steps helps you reach the desired chlorine levels with precision and ease.

After treating your pool with Deep Blue Pro Granular Shock, expect some temporary cloudiness in the water. There’s no need to worry, this simply shows the product is doing its job. Keep the filtration pump running until the water clears, and you’ll see the sparkling results of your efforts.

On safety and handling, Deep Blue Pro Granular Shock puts precautions front and centre for worry-free pool care. From dosing guidance to storage advice, every detail is geared towards keeping you and your pool environment safe.

Made with Calcium Hypochlorite 70% CL Active, Deep Blue Pro Granular Shock earns its place in your pool maintenance kit. Its effectiveness against pool problems, combined with sensible safety precautions, makes it a must-have for pool owners who care about clarity and hygiene.

Remember, a well kept pool isn’t only about looks, it’s also about creating a safe, enjoyable space for you and your loved ones. Trust Deep Blue Pro Granular Shock to take your pool care routine to a new level of excellence.

So why wait? Step into a world of pristine water and outstanding pool care with Deep Blue Pro Granular Shock. Your pool paradise is within reach!

Manufacturers description:

Deep Blue Pro Granular Shock – A traditional shock treatment product, these calcium hypochlorite granules have an available chlorine level of on average 70% making them a good chlorine donor for pool water problem solving.
Granular Shock Chlorine is very effective at restoring sparkling water from algae infestation.
Granular Shock Chlorine can be added through the skimmer.

Top Tip:As soon as possible after a thunderstorm shock dose your pool with a 5mg/l dose of Deep Blue Pro Granular Shock Granules or Shock ‘n’ Floc Granules.
The reason for this is that lightening creates chemicals in the atmosphere and the rain washes these chemicals into your pool. The Nitro gen is plant food and algae thrive on it, so pool water can quickly turn green after a thunderstorm, a shock dose of chlorine can help prevent this.

Application Instructions:1. Maintain pH levels within the ideal range of 7.2 – 7.6. If the level is not in this range, adjust accordingly.
2. Maintain free chlorine residuals routinely in the 1 – 3 mg/l (ppm) range. Shock or oxidising procedures are recommended either weekly or fortnightly with a maximum of 10mg/l (10ppm) for a full shock treatment.
3. Pre-dissolve this product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallons ( 10 litres) of water. Stir well to ensure product is fully dissolved. Add the resulting solution to the pool whilst the pump is turned ON preferably near the water inlets to aid distribution.
4. Repeat dose/application if necessary to achieve the desired level.
5. After using this product, pool water may become temporarily cloudy, so keep the filtration pump running until it clears.
6. After shock treatment procedures allow the chlorine to drop below 5ppm before bathing recommences and in any event wait for at least 30 minutes before bathing recommences.

70% Shock Chlorine Granules Dosing Rates
Water VolumesTo Increase Pool Chlorine Level by
LitresGallons1mg/L (1ppm)5mg/L (5ppm)10mg/L (10ppm)
4,5451,0007g35g70g
11,3602,50017g88g175g
22,7005,00035g175g350g
45,45010,00070g350g700g
68,17515,000105g525g1050g

General Precautions:
Dosing:Wear eye and face protection and ensure granules are not blown back into your face.
Never mix with any other chemicals including cleaning products and chlorine products, as a reaction may occur.
Do not pour this product into a pool skimmer basket containing chlorine tablets or any other product.
When pre-dissolving product always add product to water not the other way round.
Handling & Storage:Handle products in a well-ventilated area, preferably outdoors.
Wash hands after use.
Ensure the product does not become damp in storage – store in a cool dry place.

This Granular Shock contains Calcium Hypochlorite 70% CL Active – EC Label 231-908-7 UN3487

Risk:– Contact with paper material may cause fire.
– Harmful if swallowed.
– Contact with PH- may liberate gas.
– May cause burns.
– Very toxic to aquatic organisms, may cause long term adverse effects in the aquatic environment.
Safety:
– Use products safely. Always read the label and product information before use.
– Keep locked away and out of reach of children.
– In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
– Wear suitable protective clothing,gloves and eye/face protection.
– In case of accident or if you feel unwell seek medical advice immediately and show this container or label.
– Avoid release to the environment.
– Refer to special instructions/safety data sheet.

Additional information

Weight15 kg
Dimensions30 × 30 × 30 cm
EAN

5060220075597

SKU

DBPRCH022-3

Brand

Deep Blue Pro

GPSR Responsible Operator

Deep Blue Pool Supplies

GPSR Address Line 1

Box 8899 Hermitage

GPSR City

Corsham

GPSR Post Code

SN13 8DT

GPSR Country

UK

GPSR Email

[email protected]

GPSR Legal Notices

Harmful if swallowed.Causes serious eye irritation.Very toxic to aquatic life with long lasting effects.May cause respiratory irritation.

GPSR Manufacturer Name

Deep Blue Pool Supplies

GPSR Warn Safety Info 01

Harmful if swallowed.

GPSR Warn Safety Info 02

Causes serious eye irritation.

GPSR Warn Safety Info 03

Very toxic to aquatic life with long lasting effects.

GPSR Warn Safety Info 04

May cause respiratory irritation.

Size

5060220075597

196 reviews for Deep Blue Granular Shock Calcium Hypochlorite Treatment – 15Kg

  1. Miss Chantelle Richards (verified owner) –

    Solid product, 20kg tub, looks premium Highly recommend.

  2. Miss Sofia Stewart (verified owner) –

    Budget friendly

  3. Mr Scott Kennedy-Kaur (verified owner) –

    Ease of dosing simple to use works as intended.

  4. Mrs N. Stewart –

    Excellent choice, 10kg tub strong chlorine cleaner effective on tough jobs. Will reorder.

  5. Ella Byrne –

    Great

  6. M. Q. Boyle (verified owner) –

    Very happy good results and does what I needed. Will use again.

  7. Rebecca Fisher (verified owner) –

    Pretty decent calcium with nice quality simple to apply, good enough.

  8. Hayley V. Desai (verified owner) –

    Very impressed straightforward to use works as intended.

  9. Ms Luke W. Webb (verified owner) –

    Facilite

  10. Sana R. Reed (verified owner) –

    Great good for the money job done. Great service.

  11. Alisha Nair (verified owner) –

    easy use.

  12. Kieran Khan –

    Just want I wanted works well pleased overall. Happy with it.

  13. Mr Z. Z. Bhat (verified owner) –

    Does what it s meant to do. works well pleased ref 38

  14. Ms Z. G. Foster (verified owner) –

    Really impressed, 5kg tub with pro grade performance, quick and effective. Does the job.

  15. Dr Elizabeth Gupta –

    Love it, 10kg tub with strong chlorine cleaner, reliable treatment. Highly recommend.

  16. Henry D. Phillips –

    Great performed well and works every time. Quick delivery.

  17. Teddy Patel –

    Really impressed, pro grade performance 20kg tub reliable quality. Great value.

  18. X. E. Hawkins (verified owner) –

    The best one out there works well pleased overall. ref 67

  19. Ms Archie Kapoor –

    Really impressed, 10kg tub, quick results Spot on. Looks great.

  20. Mr Oliver McKenzie (verified owner) –

    Top quality, 5kg tub strong chlorine cleaner. Highly recommend.

  21. Ms Y. J. Bailey –

    Okay calcium with solid quality did the job, does the job.

  22. Dr Manpreet O’Brien (verified owner) –

    Works well

  23. Mr Chantelle Scott (verified owner) –

    Great dependable does what it says. Would recommend.

  24. Dr Asha V. Reddy (verified owner) –

    Pretty decent calcium with nice quality easy to use, does the job.

  25. Miss Alisha Z. Rahman –

    Worked perfectly very effective does what I needed 10kg .

  26. Iain Rahman (verified owner) –

    Superb very effective and meets expectations 15kg .

  27. Ms Logan T. Green –

    Ease of dosing works well pleased overall. Would recommend.

  28. Zoe Wright –

    So pleased, pro grade performance strong performance. Great value. Ref 196.

  29. Kavya Das (verified owner) –

    Amazing parcel bags works well pleased overall. Pleased overall.

  30. Jack Byrne-Mahmood –

    Okay calcium with great value worked first time, does the job.

  31. Ms C. R. Lee (verified owner) –

    Excellent works a treat, nice quality worth it. Would buy again.

  32. shaan harrison –

    Great product and a great price

  33. Miss Alisha Johnson (verified owner) –

    Just want I wanted

  34. Mr Teddy Hunt-Chapman –

    Great sturdy build works every time. Good value.

  35. Miss P. Lloyd –

    Ease of dosing no fuss to use and very pleased. Well packed.

  36. Iain M. Thomas –

    Screwed

  37. Asha Pearson –

    Top notch good results and meets expectations. All as described.

  38. Mrs Kabir Murray (verified owner) –

    Great good value job done. No hassles. All as described.

  39. Luke R. Reilly (verified owner) –

    Does the job good results job done. Arrived quickly.

  40. Declan Bhat-Taylor –

    Impressed

  41. Ms H. N. McLean –

    Great works well pleased overall. Would recommend.

  42. Ms Simran R. White –

    Great buy, strong chlorine cleaner quick results. Will reorder.

  43. Amrit Dhillon (verified owner) –

    Great product and a great price works well pleased ref 66

  44. Ms U. C. Walker –

    Ease of dosing works well pleased overall. Pleased overall.

  45. Lucas Gray –

    Five star, 5kg tub with 20kg tub, fits perfectly. Highly recommend.

  46. Miss Stewart Crawford (verified owner) –

    Very effective shock

  47. Eilidh Green –

    Pretty decent calcium with good performance works as described, no issues so far.

  48. Patrick Scott (verified owner) –

    So good calcium with consistent performance worked first time, will reorder.

  49. Mrs Orla McKenzie (verified owner) –

    Okay calcium with dependable quality simple to apply, fine for the price.

  50. Ross V. Evans-Hawkins –

    Ottimo

  51. Christopher Volney –

    Does what it’s meant to do.

  52. Mrs Zain Russell (verified owner) –

    Shocking

  53. Mr Freddie Chandra (verified owner) –

    Great product and a great price works well pleased ref 34

  54. Miss Lewis King –

    Love it, strong chlorine cleaner with 10kg tub, quick results. Highly recommend.

  55. Alain Ducharme (verified owner) –

    Ease of dosing

  56. Miss Harvey Green –

    Fairly good calcium with consistent performance worked first time, no issues so far.

  57. Beatrice Z. Jones (verified owner) –

    Fantastic dependable great results. Would recommend.

  58. Ms Gary Anderson (verified owner) –

    Does the job

  59. Grant W. Das –

    Great product and a great price works well pleased ref 50

  60. Anton61 (verified owner) –

    Very effective shock

  61. Adrianne –

    Worked perfectly.

  62. Alisha P. Thomas –

    Top quality, 15kg tub pro grade performance effective on tough jobs. Spot on.

  63. Ms Andrew O’Connor-Cox –

    So good does what it says, nice quality does the job.

  64. Cameron H. Anderson-Khan (verified owner) –

    Perfect solid quality. Makes the job easier. Arrived quickly.

  65. Mrs E. Z. Hall (verified owner) –

    Really impressed, 10kg tub strong chlorine cleaner reliable treatment. Spot on.

  66. Mr Ella Williams-Morgan (verified owner) –

    Shocking works well pleased overall. Pleased overall.

  67. Miss U. M. Das-Kapoor (verified owner) –

    Decent overall, though courier tracking barely updated on this order. Eventually resolved.

  68. Mrs Charlie Ross –

    Impressed works a treat, strong results fine for the price.

  69. Ms Darren Desai (verified owner) –

    Okay calcium with dependable quality works as described, good enough.

  70. Ms Victoria Holmes (verified owner) –

    Extendable

  71. John Chapman-Sharma (verified owner) –

    Works brilliantly, 5kg tub pro grade performance. Would buy again.

  72. Zain Watson-Fraser –

    Really impressed, 5kg tub with pro grade performance, reliable treatment. Highly recommend.

  73. Mohamed Elrefaie –

    Works well

  74. Rachel Ward (verified owner) –

    Solid product, 20kg tub pro grade performance great results. Would buy again.

  75. Ms N El-Farissi –

    Does the job

  76. Mr Rachel Moore –

    So good very strong take care using it, and follow directions.

  77. Anjan 2 Chaudhuri (verified owner) –

    The best one out there

  78. Max Brown (verified owner) –

    Fine overall effective , however customer support was hard to reach.

  79. Poppy Stewart –

    Ventilverl ngerung

  80. Oliver D’Alberti –

    Great!

  81. Rosie Hughes –

    Very effective shock works well pleased overall. Pleased overall.

  82. Dr Clare Taylor –

    Solid product, strong chlorine cleaner 10kg tub. Spot on.

  83. Mr William Y. Cooper (verified owner) –

    Love it, strong chlorine cleaner quick results. Will reorder.

  84. Miss Anthony Thompson (verified owner) –

    Soft and warm works well pleased overall. Pleased overall.

  85. Mrs S. Q. Siddiqui (verified owner) –

    Great very effective and job done. No hassles. Easy to use.

  86. Miss Fraser Chowdhury (verified owner) –

    Perfecto works well pleased overall. Pleased overall. ref 42

  87. Ms Isabella W. Harper –

    Really pleased good results works every time. No hassles.

  88. X. E. Brennan –

    Ease of dosing easy to fit and job done. Arrived quickly.

  89. Mrs Martin Lloyd –

    The best one out there works well pleased overall. ref 51

  90. Stewart W. Gallagher (verified owner) –

    Top quality, pro grade performance strong chlorine cleaner effective on tough jobs. Great value.

  91. Maya B. Martin (verified owner) –

    Quality item does exactly what s needed. Works as intended.

  92. Mr Liam Dhillon (verified owner) –

    Great buy, pro grade performance strong chlorine cleaner quick results. Great value.

  93. Benjamin Johnstone-Kaur (verified owner) –

    Brilliant strong and effective solid outcome. Would buy again.

  94. Dr Haris O. Shaw (verified owner) –

    Very effective shock works well pleased overall. Would recommend. ref 64

  95. Dr Maya Murray –

    Fait son job

  96. Harriet Gallagher (verified owner) –

    Fait son job works well pleased overall. Would buy again.

  97. Ms Mairi Chandra (verified owner) –

    Just what I wanted

  98. Ms Sukhwinder Bishop (verified owner) –

    Worked perfectly. works well pleased overall. Happy with it.

  99. June M. Mele (verified owner) –

    Bleaches liner

  100. Ms Declan Cameron (verified owner) –

    Happy with it works perfectly and meets expectations.

  101. Saif I. Singh (verified owner) –

    Delivered

  102. Miss Lucy Shaw (verified owner) –

    The best one out there works well pleased overall. ref 35

  103. Ms Sara Russell (verified owner) –

    Ease of dosing

  104. Bethany Bailey (verified owner) –

    Great product and a great price works well pleased ref 82

  105. Dr Ella X. Sinclair –

    Really good does what it says, great value does the job.

  106. Miss J. White (verified owner) –

    Very good does what it says, good performance would recommend.

  107. Mrs Stephen E. Russell –

    Very happy, pro grade performance with strong chlorine cleaner, strong performance. Does the job.

  108. Clare Malik (verified owner) –

    Great sturdy build very pleased. Quick delivery.

  109. Mr Aaron G. Palmer –

    Great pictures

  110. Miss Ian Mason (verified owner) –

    Really pleased strong and effective makes the job easier.

  111. Grant McCarthy (verified owner) –

    Prefect

  112. Mr Naveen M. Das –

    Alles Gut

  113. N. Bennett –

    Superb does the job does what I needed. Quick delivery.

  114. Safiya Fleming –

    Pretty decent calcium with reliable results performed consistently, good enough.

  115. Zachary Wood –

    Flexible and durable works well pleased overall. Would recommend.

  116. Mr Noah K. Cole –

    Decent overall, though the order arrived incomplete. Resolved after a quick follow up.

  117. Q. R. Wright (verified owner) –

    Does what it s meant to do. works well pleased ref 86

  118. Ms S. L. Stewart –

    So good works well, consistent performance will reorder.

  119. Zachary D. Reed –

    Happy with it strong and effective. Solid outcome.

  120. Joshua Crawford (verified owner) –

    Excellent calcium with strong results simple to apply, pleased overall.

  121. Euan Siddiqui (verified owner) –

    Does what it s meant to do. works well pleased ref 54

  122. Penelope Malik –

    Does what it s meant to do. works well pleased ref 70

  123. Mr Z. V. Brar –

    Ventilverl ngerung

  124. Lily O. Hamilton (verified owner) –

    So pleased, pro grade performance strong chlorine cleaner. Highly recommend.

  125. Mrs Finlay Sharma –

    Works fine, but the tracking link was unhelpful this time. Sorted after a couple of emails.

  126. Miss Elliot Reynolds –

    So pleased, pro grade performance strong chlorine cleaner effective on tough jobs.

  127. Mr Rohan Wood –

    Very effective shock works well pleased overall. Pleased overall. ref 80

  128. Mrs P. U. Gibson (verified owner) –

    So pleased, strong chlorine cleaner works fast. Highly recommend.

  129. Miss S. D. Henderson –

    Love it, 10kg tub with pro grade performance, works fast. Spot on.

  130. Rory I. Stewart –

    Very helpful

  131. Dr Maisie Murray (verified owner) –

    The great product quality, good value for money, boxed nicely

  132. Miss Muhammad Green-Iyer (verified owner) –

    Soft and warm

  133. Dr Neha Martin-Mahmood –

    Helped me with dosing straight!! away – worth the price!!

  134. Ms Stuart Chapman (verified owner) –

    Support helped with dosage, cheers.

  135. Mia McLean-Khan (verified owner) –

    Easy to measure, granules dissolve fast.

  136. Mr Anwar K. Bailey –

    Solid product, 15kg tub with pro grade performance, strong performance. Highly recommend.

  137. Sonia Graham –

    Top notch strong and effective solid outcome. Happy overall.

  138. Sameer Palmer (verified owner) –

    Good quality granules, no clouding.

  139. Mrs Andrew Mahmood –

    Fairly good calcium with solid quality worked first time, works okay.

  140. Mrs Sienna Reed –

    Came within 48hrs; made balancing the water much easier

  141. Miss Isla Green-Banerjee –

    Okay calcium with solid quality did the job, works okay.

  142. A. H. Brennan (verified owner) –

    Decent calcium with consistent performance worked first time, works okay.

  143. Dr F. V. Walsh (verified owner) –

    Pretty decent calcium with good performance worked first time, no issues so far.

  144. Ben W. Reilly –

    Decent calcium with nice quality simple to apply, fine for the price.

  145. Brodie W. Thomas (verified owner) –

    Five star, 15kg tub pro grade performance. Does the job.

  146. Eleanor Fisher –

    Fast dispatch, made balancing the water much easier

  147. F. D. Williams (verified owner) –

    Bleaches liner works well pleased overall. Happy with it.

  148. Priya H. Webb –

    Worked perfectly quick to set up works as intended.

  149. Mr Isaac Ahmed (verified owner) –

    The great product quality; noticed a difference within 24h

  150. Millie Smith –

    Essential

  151. Khadija R. MacLeod (verified owner) –

    Solid product, 5kg tub reliable treatment. Great value.

  152. Mrs Skye G. Chandra (verified owner) –

    Great buy, pro grade performance 5kg tub strong performance. Would buy again.

  153. Ms Ivy Q. Bailey –

    Arrived quick, granules did the job.

  154. Alisha Kelly (verified owner) –

    Great pictures works well pleased overall. Pleased overall.

  155. Mrs Rowan Armstrong (verified owner) –

    Great well made works as intended. Would recommend.

  156. Dr Stuart I. Kelly (verified owner) –

    Flexible and durable

  157. Mark G. Mason –

    Customer service was spot on, instructions were clear.

  158. Miss W. I. Evans-Malik (verified owner) –

    Amazing parcel bags

  159. Miss Harriet Mason (verified owner) –

    Not bad calcium with strong results worked first time, no issues so far.

  160. Tom Davies (verified owner) –

    The top notch quality; saved me time and hassle; sealed properly.

  161. Mrs Ruby Desai (verified owner) –

    Came within 48hrs, water looked clearer by the next day!

  162. Dr Hamza Thompson (verified owner) –

    Very good works well, consistent performance no issues so far.

  163. Edward Harper (verified owner) –

    Good quality stuff, will buy again.

  164. Ms Harry Desai –

    The great product quality – worth the price and easy to get right first time

  165. Ethan F. Pearson –

    Customer service was spot on, a little goes a long way!!

  166. Mr K. Mason –

    Fast delivery and does the job.

  167. Mrs Ryan Y. Bailey (verified owner) –

    Impressed calcium with strong results simple to apply, would recommend.

  168. Safiya Walsh –

    So good calcium with good performance works as described, would recommend.

  169. Evie McKenzie –

    Solid product, 15kg tub pro grade performance. Highly recommend.

  170. Ravi Mehta (verified owner) –

    Extendable

  171. Dr Sonia Singh –

    Excellent choice, 15kg tub with strong chlorine cleaner, effective on tough jobs. Highly recommend.

  172. Mrs C. M. Graham (verified owner) –

    Great good for the money 15kg . Makes the job easier.

  173. Miss Patrick Z. King (verified owner) –

    Support replied fast, very helpful.

  174. Ms Charlie Wood-Green (verified owner) –

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

  175. Mrs Anthony M. Smith –

    Ease of dosing works well pleased Happy with it. ref 53

  176. Evelyn Sharma (verified owner) –

    Alles Gut works well pleased overall. Pleased overall.

  177. Dr Sean Gill (verified owner) –

    Bleaches liner

  178. Mr Max Stewart (verified owner) –

    Okay calcium with solid quality made a real difference, works okay.

  179. Ms C. Spencer (verified owner) –

    Love it, pro grade performance 5kg tub feels built to last. Spot on.

  180. Miss Neha Kapoor (verified owner) –

    The best one out there works well pleased overall. ref 83

  181. Murdo Jackson –

    Impressed does what it says, well finished will reorder.

  182. Dr Blake G. Foster –

    Solid product, strong chlorine cleaner with 5kg tub, works fast. Highly recommend.

  183. Rowena Edwards-Fraser –

    Very effective shock works well pleased overall. Happy with it.

  184. Nigel Kennedy (verified owner) –

    Okay calcium with reliable results did the job, does the job.

  185. Mr Abigail Kapoor-Palmer (verified owner) –

    Quick delivery, water looked clearer.

  186. Stuart Y. Macleod (verified owner) –

    Item is fine, however responses from support were delayed this delivery. Got it sorted in the end.

  187. Miss Blake Davies –

    Strong and durab e

  188. Ms Rebecca Walker –

    Top quality, pro grade performance 5kg tub quick and effective. Would buy again.

  189. Z. U. Douglas (verified owner) –

    Solid product, came well packaged.

  190. Dr Layla Das (verified owner) –

    Granules fixed my chlorine fast.

  191. Mr Cian Pearson (verified owner) –

    Worked perfectly.

  192. Mr Jamie Baker (verified owner) –

    Perfecto

  193. Saad McLean-Richards –

    Excellent choice, 5kg tub, works fast Spot on. Great value.

  194. Miss Lauren V. Byrne-Anderson –

    Weight

  195. Mr Jack Singh (verified owner) –

    Great reliable performance job done. Easy to use.

  196. Dr V. C. MacLeod (verified owner) –

    Just what I wanted works well pleased overall. Would buy again.

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