Clearwater pH Minus Decreaser, 1.5 kg Granules for Hot Tub, Spa & Swimming Pool Water Treatment
Rated 4.6 / 51,975 ratings on Amazon →
Pros
- Lowers pH quickly to bring water back into the comfortable bathing range
- Improves chlorine efficiency once pH is balanced
- Simple dosage guide printed on the tub
Cons
- Causes serious eye damage if handled without care, per safety label
Specifications
- Brand
- Clearwater
- Price
- Budget
Related attributes
Not sure which pool chemicals & testing is right for you? Read our Best Pool Chemicals & Testing UK (2026) guide.
£10.95
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