Clearwater pH Plus Increaser – 1 kg Granules for Hot Tub, Spa & Swimming Pool Water Treatment, Boosts pH & Improves Water Balance

Price: £12.99 - £8.09
(as of May 08, 2026 12:21:34 UTC – Details)

From the brand

Discover the full range of Clearwater chemicals, which has all you need to effectively clean and maintain your pool or hot tub.

Designed with ease of use in mind, the Clearwater range is simple and time effective. Each product comes with an easy to follow guide, so you will have clean and healthy water in no time.

Hot Tub Care

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Pool Care

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Hot Tub and Pool Accessories

Water Clarification

Recommended by Lay-Z-Spa & Bestway

Increases the pH level of your spa or above ground pool to maintain comfortable pH levels for your skin whilst you’re enjoying your hot tub or pool
Ensures that your spa or pool stays hygienic and looking pristine so you can fully enjoy your experience
Maintains the optimum pH level to enable chlorine treatment to work more effectively and clear any harmful bacteria
Instructions are clearly stated on the bottle and it’s very simple to use- simply dissolve the recommended amount of pH chemicals in warm water and add the solution to the pool, increasing its pH level- check after minimum 4 hours
Clearwater is a BISHTA approved member and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment

Product summary

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