... Moisture :3%max 3: Near port for prompt shipment Calcium Hypochlorite 65% Calcium hypochlorite is used for the disinfection of drinking water ... the loss of chlorine due to ultraviolet radiation. The calcium content hardens the water and tends to clog up some ... sprays, moss and algae removers, and weedkillers. In addition, calcium hypochlorite may be used to manufacture chloroform. Bleaching powder is ...