Calcium Up (Hardness Increaser)
Calcium Chlorine is uded for increasing calcium hardness & reducing corrosion in concrete, pebble & tiled pools & spas.
Helps protect pool surfaces & equipment
Active constituent: 990 gm/kg Calcium Chloride.
500g water hardner increases hardness by 10ppm in a 50,000 litre pool. Hardness level should be kept in the 150-500 ppm range.
2 sizes available, please select:
2 kg - $12.00
4 kg - $22.00
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