ELIMINATOR POWERFUL VINYL-LINER ALGAECIDE ONE QUART TREATS UP TO 160,000 GALLONS! Compare to Strike Out, Swimtrine Plus, Sun Copper Algaecide and MSA Algaecide. This powerful 7% copper algaecide kills and prevents all types of algae growth. One quart treats up to 160,000 gallons! The fast-acting and long-lasting formula will no foam or cloud water. Perfect for spring start-up. Swim immediately after treatment. Great for all pool types. Maintenance dosage: 2 oz. per 10,000 gallons. Buy 4 quarts and SAVE!