E-Z Clor 2 lb Granular Algae Out

2 lb Granular Algae Out - Non-foaming, non-metallic 60% 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 60 should be used on a regular basis.