Sani Marc Spa Calcium + helps to increase calcium hardness to avoid corrosion of metal surfaces, protect spa equipment and improve bather comfort. Total calcium hardness in a hot tub should be between 100 and 200 parts per million (ppm).
Application method:
- Pour Spa Calcium + directly over the surface of the spa water.
Dosage:
- To increase total calcium hardness by 10 ppm, add 110ml of Spa Calcium + per 1,000 litres of spa water.
Sani Marc is a Proudly Canadian owned and operated manufacturer of professional grade swimming pool and hot tub water care products. Only ships from London Ontario warehouse.
