Very economical 40 kg bucket. Chloryte is a very high functioning brand of 67-70% calcium hypochlorite bactericide and algaecide for swimming pools. A white, free-flowing granular chlorinator that makes an excellent swimming pool bactericide and algaecide. Cutting edge technology ensures consistent high quality, uniform particle size and minimal dust. Chloryte calcium hypochlorite granules rapidly dissolve resulting in crystal clear swimming pool water.