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  1. Palintest Calcium Hardness 250 Tablets

  2. Palintest Calcium Hardness Tablet Count Bottle 250 Tablets

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  3. Palintest Calcium Hardness (Calcicol) 50 Tablets

  4. Fi-Clor Swimming Pool Calcium Hardness Increaser (4kg)

    Fi-Clor Hardness Increaser is for raising the calcium hardness level in swimming pool water. Calcium hardness is the amount of dissolved calcium and magnesium in pool water. If there is insufficient dissolved calcium, the water will try and take it from the grouting and concrete in the pool.

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  5. Certikin Calcium Hardness Tablets (250Btl) (Tthrd250b)

  6. Blue Horizons 5kg Calcium Hardness Raiser - Hot Tub Swimming Pool Spa Chemicals

    Calcium Hardness Raiser is a calcium flake which rapidly increases calcium hardness to the desired level. 5kg Calcium Hardness Raiser. Blue Horizons.

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  7. Blue Horizons SWIMMING POOL Calcium Hardness Raiser Plus 5kg Raiser Increaser

  8. Fi-clor Spa and Hot Tub Hardness Increaser (Calcium Chloride) 1kg

    Fi-Clor Spa Hardness Increaser is used to raise the calcium hardness level in spa water. Calcium hardness is the amount of dissolved calcium and magnesium in pool water.

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  9. PoolLab Calcium Hardness Liquid Reagents Kit

  10. Blue Horizons SWIMMING POOL Calcium Hardness Raiser Plus 5kg Raiser Increaser

    1 x 5kg Blue Horizons Calcium Hardness Raiser. Used for increasing the calcium hardness of pool or spa water. For Pools, calcium hardness should be maintained at a minimum of 200mg/l(ppm). A brilliant range of high quality, specifically-sourced products available to make your hot tubbing experience the best it can be!

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  11. Palintest Calcicol Calcium Hardness Tablets -250 Tablets

  12. Hardness Plus 1kg - Increase calcium level of hot tub/swimming pool

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  13. Plastica Calcium Hardness Kit

  14. Blue Horizons 5kg Range - Horizon Swimming Pool & Hot Tub Chemicals & Cleaners

    Blue Horizons. Full range of 5kg Swimming Pool Maintenance.

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  15. Swimfresh 25Kg Calcium Hardness Increaser (Sfchi25)

  16. SpaGuard Spa Calcium Hardness Increaser 12 oz | 1 Pack – Pool & Spa Water Treatm

    Maintain balanced water in your spa or hot tub withSpaGuard Spa Calcium Hardness Increaser. Easy to use and effective for all standard spas. Increases calcium hardness in spa water.

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