Aquasparkle 1kg Hardness Plus
Spa Hardness Plus
Hot tub water with very low total hardness (very soft water) can cause etching to occur on the tub surfaces which will become abrasive and uncomfortable for bathers.
Rough surfaces also increase the likelihood of problems with algae growth and make cleaning more difficult.
Hardness levels should be maintained between 100 - 200mg/l (ppm)
NB. When balancing spa water first adjust the Total Alkalinity and buffer the pH (this stops the PH value fluctuating rapidly). Next adjust the PH and finally, if required, adjust the Calcium Hardness Granular Formula.
Contains: Calcium Chloride - 1kg Compatible with all spa sanitizers.
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