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7kg Castle Hot Tubs pH Minus Reducer - white

7kg Castle Hot Tubs pH Minus Reducer - white

by Castle Hot Tubs

£28.95
MPN1982761
Prices updated 24 Jun 2026

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Product Description

PH Minus is used for reducing the PH level in your hot tub, spa or swimming pool. A high PH level in a pool or hot tub water can cause limescale build up, which can damage working parts including pumps, heaters and seals. To prevent this issue, use PH Minus to bring the PH to between 7.2 and 7.4 on your test kit/strips. 7kg Castle Hot Tubs pH Minus Reducer - white

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