Calcium Chloride flake for increasing water hardness & Total Alkalintiy plus (TA+) for increasing Alkalinity levels in pool and hot tub water.
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, 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
- Read more
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