Quick Summary
Clearwater pH Plus Increaser is a 1 kg granule treatment for hot tubs, spas and pools. It is used to raise pH, with the aim of keeping water within a comfortable range and helping chlorine treatment work more effectively.
The product is for water treatment use and the bottle carries instructions for use. It is also described as BISHTA approved in the supplied product text.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Clearwater, for straightforward product identification. |
| Product type | pH Plus increaser granules, used to raise water pH. |
| Pack size | 1 kg, which helps when comparing pack quantities. |
| Intended use | For hot tubs, spas and pools. |
| Approval | BISHTA approved member is stated in the product copy. |
What to Compare Before Buying
- Water type: Check that the product suits the hot tub, spa or pool you want to treat.
- Pack size: This pack contains 1 kg, so compare it with how much treatment you expect to need.
- Usage instructions: The bottle includes directions, and the treatment is described as being added after dissolving the measured amount in warm water.
- pH target: Compare your current water reading with the level you need to reach before use.
Before You Decide
Confirm that you need a pH increaser rather than a different water treatment product, and check that the 1 kg pack size suits your pool or spa routine. Follow the bottle directions and recheck the water after treatment before deciding whether more adjustment is needed.





