Ph Minus is used to reduce the pH to a desirable level. For sanitisers to remain effective the pH level should be kept below 7.6. However if the pH level drops too low then the water can start to degrade pumps and liners. pH levels should between 7.2 and 7.6.
PH Minus is suitable for use in swimming pools, spas & hot tubs.
Reduces the pH level of the water to improve usage conditions.
1. Using a jug add 1 teaspoon to 1 litre of warm water and carefully add the solution to the spa whilst the pumps are turned on. 2. Check water balance level with a testing strip and add more Ph Minus if required (Aim for a pH level of between 7.2 - 7.6.).
Credit is subject to status and affordability. Terms & Conditions Apply. Hot Tub Suppliers Limited, 11 Midland Street Leicester LE1 1TG FRN:  is a credit broker for the purpose of introducing credit provided by the lender Hitachi Personal Finance, a trading style of Hitachi Capital (UK) PLC. Authorised and Regulated by the Financial Conduct Authority.