Water balancing chemicals and test strips, for swimming pools, spas and hot tubs.
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pH+/pH- | Alkalinity+ | Hardness+ | Test Strips
Our store is temporarily closed until 7th October 2026.
Thank you for your patience, we apologise for any inconvenience.
Thank you for your patience, we apologise for any inconvenience.
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- Balancing & Testing, pH Up & Down
1.5kg pH minus / pH reducer
- £9.75 Includes VAT & FREE Shipping
- pH minus for reducing water pH levels
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Sale!
- Balancing & Testing, pH Up & Down
1kg pH plus / pH increaser
- Original price was: £9.95.£8.50Current price is: £8.50. Includes VAT & FREE Shipping
- pH plus for increasing water pH levels
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Sale!
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- Balancing & Testing, Test Strips
3 in 1 Chlorine Test Strips – Relax
- £8.50 Includes VAT & FREE Shipping
- Relax 3 in 1 Test Strips
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- Balancing & Testing, Calcium Hardness Increaser, Water Hardness & Alkalinity
Calcium Hardness Increaser 1kg
- £10.50 Includes VAT & FREE Shipping
- CrystalClear® Calcium Hardness Increaser
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- Alkalinity Increaser (TA+), Balancing & Testing, Water Hardness & Alkalinity
Total Alkalinity Increaser (TA+) – 1kg
- £9.95 Includes VAT & FREE Shipping
- CrystalClear® Total Alkalinity Increaser - 1kg
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