Algaedyne, 1 qt
Silver Algaedyn is a metallic algaecide and bactericide that can prevent the growth of algae and bacteria for up to several weeks depending on the pH level of the pool water. Silver algaecides are both algaecide and algaestat. ie, it kills algae and bacteria and also prevents algae and bacteria.
Silver products are most effective in eliminating black fungi (algae) and bacteria (pink slim).