Acti Spa Hot Tub Chemicals
1.5kg Tub of Hot Tub Alkalinity Increaser GranulesRaises total alkalinity levels in water
Contains Sodium Bicarbonate
Using this product and getting your total alkalinity levels to the correct levels between 80 - 150 (PPM) will stop your spa water from being corrosive and help in the stability of the pH levels.
The total alkalinity levels in your spa water will only ever reduce with usage, hence no reducer is available only increaser.
To do this test the water with a test strip or total alkalinity tester and gently sprinkle a small amount of this 'Acti Spa Alkalinity Increaser' and allow to dissolve, wait 30 minutes and test again.
Part of the Acti Spa chemical range.