Kem-Tek - Algaecide 60% Concentrate, 32oz.

The Kem-Tek Algaecide 60% Concentrate is a long lasting and non-foaming algaecide that effectively eliminates green, black and yellow mustard algae in your pool. It's a high-strength polymer algaecide available for pool use to prevent algae from forming or regrowing.

For a 20,000 gallon pool, use 16oz for initial dose, 32oz for algae treatment or 4oz for weekly treatment. Uniform distribution throughout the water in the pool is necessary for maximum effectiveness.