Use our Sodium Di-Chlor Chlorine Granular to kill visible algae blooms and invisible bacteria . which could cause illness to swimmers. Your daily chlorination of the pool will kill most bacteria and other contaminants. To be sure that the water is completely sanitary . it is best to super chlorinate by shocking the pool every few weeks. Doing this also allows you to oxidize everything in the water . especially the various contaminants that may exist in the water.
