Clearwater pH Plus Increaser for Hot Tub, Spa & Pool, Granules 1kg
Rated 4.6 / 57,894 ratings on Amazon →
Pros
- Raises low pH quickly so sanitisers keep working effectively
- Granule form dissolves fast without clouding the water for long
- Pairs well with Clearwater test strips for dosing accuracy
Cons
- Overdosing raises pH too high, so add gradually and retest
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.
£12.12
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