All Swim Pool Acid Sodium Bisulphate pH Minus (Lowers pH)

Sodium Hydrogen Sulphate / Dry Acid - Lowers pH
Availability: In stock

£15.00

*

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Chemical Dosage Calculator

See how much All Swim Pool Acid Sodium Bisulphate pH Minus (Lowers pH) to use in our Chemical Dosage Calculator

The ideal pool pH levels are between 7.2 - 7.6, promoting bather comfort, optimum chemical efficiency and protection of pool plant equipment. Test the pH of your pool water and if it is above 7.6, use All Swim Pool Acid to lower it.

Application Instructions

  1. Pre-dissolve the product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallons (10lts) of cleanwarm water.  Stir well to ensure product is fully dissolved. Carefully add the resulting solution to the pool whilst the pump(s) are turned "on", preferably near to the water inlets to aid distribution.
  2. After a minimum of 8 hours, recheck the pH level and if necessary repeat the treatment until the ideal pH is established. Please note a number of treatments may be required.
Water Volumes  
Litres Gallons Dose Rates
4,545 1,000 50g
9,090 2,000 100g
22,700 5,000 250g
45,450 10,000 500g
68,175 15,000 750g

 

General Precautions

Dosing

  • Wear eye and face protection and ensure granules are not blown back into your face.
  • Never mix with other chemicals including household cleaners as a dangerous reaction may occur.
  • When pre-dissolving always add product to water and not vice versa.

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.

The ideal pool pH levels are between 7.2 - 7.6, promoting bather comfort, optimum chemical efficiency and protection of pool plant equipment. Test the pH of your pool water and if it is above 7.6, use All Swim Pool Acid to lower it.

Application Instructions

  1. Pre-dissolve the product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallons (10lts) of cleanwarm water.  Stir well to ensure product is fully dissolved. Carefully add the resulting solution to the pool whilst the pump(s) are turned "on", preferably near to the water inlets to aid distribution.
  2. After a minimum of 8 hours, recheck the pH level and if necessary repeat the treatment until the ideal pH is established. Please note a number of treatments may be required.
Water Volumes  
Litres Gallons Dose Rates
4,545 1,000 50g
9,090 2,000 100g
22,700 5,000 250g
45,450 10,000 500g
68,175 15,000 750g

 

General Precautions

Dosing

  • Wear eye and face protection and ensure granules are not blown back into your face.
  • Never mix with other chemicals including household cleaners as a dangerous reaction may occur.
  • When pre-dissolving always add product to water and not vice versa.

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.



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** Please Note: This is a Hazardous Chemical and will incur an additional £30.00 hazardous goods delivery surcharge at checkout, Charge is once per delivery and not per product**


Click here to view alternative Calcium Hypochlorite/Shock Chlorine that can be delivered without a hazardous goods charge.


These non stabilised chlorine granules are ideal for shock dosing or regular oxidisation of swimming pool water. However, they may also be used for routine disinfection. Calcium Hypochlorite with Min 65% available chlorine.


NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
Chemical Safety Information
£32.00
2024 All Swim Catalogue
A.J & J.L Veysey | Company registration no: 1061642 | VAT no: GB133 4078 90
All Swim Ltd, Units 3-5 Link Trade Park, Penarth Road, Cardiff CF11 8TQ

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