Description
This listing covers the 6kg size.
With Deep Blue Pro Granular Shock, crystal clear pool water is only one treatment away. These calcium hypochlorite granules carry a strong 70% available chlorine level, quickly resolving common pool water issues. Leave algae infestations behind and bring back sparkling, welcoming water using Granular Shock Chlorine.
Think of the period right after a thunderstorm, when nitrogen carried into your pool can turn the water an unwelcome shade of green. This is where Deep Blue Pro Granular Shock proves its worth. A quick dose, using either the Granular Shock Granules or the Shock ‘n’ Floc Granules, can save your pool from algae blooms triggered by storms.
Here’s how to apply the product for the best outcome. Keeping pH in the ideal range and holding free chlorine residuals at the recommended level both matter for achieving spotless pool water. Pre dissolve the granules, pour the solution into your pool, and allow it to work, keeping the filtration pump running so any short lived cloudiness disappears.
As for dosing rates, the table set out here shows how much product to use for various water volumes, depending on the chlorine increase you need. With accurate figures on hand, you can dose your pool with confidence and get reliable results.
These powerful granules demand careful handling. Follow the general precautions closely, from wearing protective equipment while dosing to keeping the product stored in a cool, dry place. This Granular Shock, built on potent Calcium Hypochlorite 70% CL Active, is not something to treat casually.
Understanding the risks matters with any strong product like this. Fire hazards and harm from swallowing are real concerns, so proper handling and storage are essential. Store the granules securely, out of children’s reach, and always follow the safety information provided.
In short, Deep Blue Pro Granular Shock does far more than treat your pool, it takes care of your pool maintenance troubles. Enjoy clean, clear water powered by these granules, trust their effectiveness, follow the application steps closely, and come back to a pool that’s always inviting for a swim. Deep Blue Pro Granular Shock could become your pool’s best kept secret for consistently pristine water.
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 nitrogen in the atmosphere and the rain washes this nitrogen into your pool. Nitrogen 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 Volumes | To Increase Pool Chlorine Level by | |||
| Litres | Gallons | 1mg/L (1ppm) | 5mg/L (5ppm) | 10mg/L (10ppm) |
| 4,545 | 1,000 | 7g | 35g | 70g |
| 11,360 | 2,500 | 17g | 88g | 175g |
| 22,700 | 5,000 | 35g | 175g | 350g |
| 45,450 | 10,000 | 70g | 350g | 700g |
| 68,175 | 15,000 | 105g | 525g | 1050g |
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 dangerous reaction will 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 chemicals do 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 combustible material may cause fire.
– Harmful if swallowed.
– Contact with acids liberates toxic gas.
– Causes burns.
– Very toxic to aquatic organisms, may cause long term adverse effects in the aquatic environment.
Safety:
– Use Biocides safely. Always read the label and product information before use.
– Keep locked up 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.








Daniel Z. Hall –
Great buy, pro grade performance quick results. Would buy again. Ref 563.
Louie Douglas –
The proper pro-grade stuff; easy to get!! right first time…
Martin R. Akhtar –
Good for first fill of water in hot tub
Neel O’Connor –
It dissolves completely very quickly works well pleased overall. ref 37
Ms Evan Sharma –
Arrived quickly. We ll packaged. We ll priced works well pleased ref 46
Yumi Terashima –
Worked like magic
Mrs Leah Price –
Solid product, dependable sanitising works fast. Spot on. Ref 720.
John Reilly –
Five star, 500g pack effective on tough jobs. Great value.
Mrs Adeel Akhtar –
Shock works well pleased overall. Would buy again. ref 24
Ms Kabir Kaur –
Love it, pro grade performance with 500g pack, quick results. Spot on.
Val Sargeant –
Speedy delivery
Ms D. Chapman –
Great chlorine with solid quality did the job, happy with it.
Ms Navya S. Gallagher –
Five star, dependable sanitising effective on tough jobs. Does the job. Ref 617.
Indians –
Does what it says on the container
Miss Maryam D. Mason –
Great product for clarifying your pool. works well pleased ref 28
Mrs C. Richards –
Transformed my pool
Meera N. Armstrong –
Good product, good value works well pleased overall. ref 88
Bawddwr –
Easy to use
Ms A. Campbell –
Shock
Daisy Wood –
Definitely recommend
Maryam Webb –
Great, Dissolves Quickly works well pleased overall.
Muhammad Byrne –
Works.
Dr Millie T. Green –
Works brilliantly, dependable sanitising with 500g pack, works fast. Will reorder.
Mohammed Phillips –
Good service
Mr Amber Gallagher –
Chlorine Granules works well pleased overall. Happy with it.
Claire Davies –
Very useful product
Kavya H. McKenzie –
Really impressed, dependable sanitising 500g pack. Will reorder.
Ms Aidan U. Parker –
Works brilliantly, 500g pack, quick results Will reorder.
Neil Mitchell –
Top preis works well pleased overall. Happy with it.
Hoa Duong –
Good value.
Zain K. Iqbal-Roberts –
Value for money
Dr Elizabeth Brown –
Goes a long way works well pleased Pleased ref 11
Mr Claire S. Holmes –
So pleased, pro grade performance 500g pack. Great value.
Mason X. Martin –
Solid product, pro grade performance 500g pack reliable treatment. Would buy again.
ROY FOX –
As expected
Paul Davis –
Good product, good value
Vanessa Rios –
Quick and easy to use
Miss N. D. Desai-Kapoor –
Support replied fast, very helpful in spa.
Mrs Finn Hawkins –
Really good chlorine with good performance works as described, pleased overall.
Patrycja Ochman –
Done the job