Alkalinity Builder

[SP222-2.5]    Pack size - 2.5 Kg


Alkalinity Builder
Chemical: Sodium Bicarbonate
Function: Increases the alkalinity level in a pool or spa. It will also slowly increase the pH level in a spa.

Dosing Instructions (Pools)
  • 1 kg increases the alkalinity of a 10,000 gallon pool by 12 parts per million.
  • Add directly to the pool and brush if necessary to help it dissolve.
Dosing Instructions (Spa)
  • 100 grams (1 scoop) will increase the alkalinity level by 50 ppm in a 1,000 litre spa.
  • Add directly to the spa and brush if necessary to help it dissolve.
Click here for a MSDS Sheet for this product.

by Christopher Stinton on 12/03/2019

by Denis Byrne on 20/12/2018

by Vicky Starkie on 05/09/2018

by Andrew Percival on 23/08/2018
Easy to use, nicely packaged and protected from moisture thanks

by Jack Foster on 12/07/2018

Service review

by Peter Wicks on 08/04/2016

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Delivery Service
Free delivery information
Free Next Working Day Delivery on all orders over £60 placed before 3pm (Zones 1-2 only). All orders under £60 have a delivery charge which depends on the delivery location.
Alkalinity Builder
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