E-Z CLOR GRANULAR ALGAE OUT Trichlor Algaecide 2LB

E-Z CLOR GRANULAR ALGAE OUT is a highly concentrated formula specifically designed to kill black algae. The crystals are white in color and dissolve. The crystals have a slight chlorine odor. This black algae killer should only be used in plaster pools only.

Product Features
Fast-acting granular algaecide
Designed for algae spot treatment in white plaster pools ONLY
Specifically formulated to kill black algae
Highly concentrated formula