EZ Clor Algaecide

E-Z Clor 47246030 1 qt Algaecide - Non-foaming, non-metallic 30% strength polyquat algaecide. Effective in preventing the growth of green, black, and mustard algae. Ideal for all-around use in pools with attached spas and water features. Algaecide should be used on a regular basis. Features Specially designed to prevent the growth of algae in swimming pools Should be part of a regular pool maintenance program to prevent algae Weekly addition of this product will reduce overall maintenance costs and give pools desired water quality. Ideal for pools with attached spas and water features Effective algae preventer and killer in salt water pools