My basket 🛒
Your basket is empty.
Add products to cartReceive updates on new products, special privileges, and promotions from PoolBestBuy before anyone else.
Water Hardener
Increases the level of Calcium (Hardness) in swimming pools and spas
Calcium Chloride
Ideal Calcium Hardness level is between 200 – 500 ppm
100 g will raise the Calcium Hardness by 10 ppm per 10,000 litres
Product should be pre-dissolved in a bucket of water adding 2 kg to 5 litres of water.
If more than 6 kg is needed per 50,000 litres of pool water dose separately and apply at least 12 hours apart.
Application rates indicated are to be used as a guide only.