Increases the level of Calcium (Hardness) in swimming pools and spas
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.