Skip to content
Free Delivery On Selected Orders Over £50*

Sodium Bisulphate 25KG

Product Code:

Chemical: Sodium Bisulphate

Function: Decreases the pH level and alkalinity level in the pool or spa.

Stating an accurate dosing amount can often be difficult due to the different nature of water supplies around the UK. The correct level required for your pool or spa will become evident after a few doses, but as a general guide follow the guidelines below.

Dosing Instructions (Pool)

  • Add 450 grams per 10,000 gallons of pool water.
  • Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.
  • Leave for 24 hours then re-test to ensure pH level is between 7.2-7.4.

Dosing Instructions (Spa)

  • Add 11 grams per 1,000 litres of spa water.
  • Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.
  • Leave for 24 hours then re-test to ensure pH level is between 7.0-7.6.

01634 245666

Have a question about the product? Our team are happy to help

£59.50
£59.50
In Stock
In Stock

Select Your Product Options

From

More Payment Options Available

Chemical: Sodium Bisulphate

Function: Decreases the pH level and alkalinity level in the pool or spa.

Stating an accurate dosing amount can often be difficult due to the different nature of water supplies around the UK. The correct level required for your pool or spa will become evident after a few doses, but as a general guide follow the guidelines below.

Dosing Instructions (Pool)

  • Add 450 grams per 10,000 gallons of pool water.
  • Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.
  • Leave for 24 hours then re-test to ensure pH level is between 7.2-7.4.

Dosing Instructions (Spa)

  • Add 11 grams per 1,000 litres of spa water.
  • Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.
  • Leave for 24 hours then re-test to ensure pH level is between 7.0-7.6.

01634 245666

Have a question about the product? Our team are happy to help

FAQs Delivery information

Frequently Asked Questions

Ask A Question

Delivery Information

Orders are shipped using the APC & DPD network and the delivery rates depend on order amount and location within the UK. Not all orders will fall under the free delivery option. :

Delivery Location Order Value Delivery Cost
England Mainland Delivery 2-4 Working Days £50 Free*
Scotland & Highlands Any £6.50+
Scottish Islands Any £10+

Shipping fees include handling and packing fees as well as postage costs. Handling fees are fixed, whereas transport fees vary according to the total weight of the shipment. We advise you to group your items in one order. We cannot group two distinct orders placed separately, and shipping fees will apply to each of them.