Algae's worst enemy.

Rely on concentrated Halt 50 Algaecide to kill and prevent all types of algae. One quart of this concentrated pool algaecide treats up to 240,000 gallons. Non-metallic, low-foaming formula won't stain or discolor hair. Swim immediately after treatment. Great for all pool types.

Maintenance dosage: 1 1/3 oz. per 10,000 gallons.

#CH115