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 and is perfect for vinyl liner pools.  One quart treats up to 160,000 gallons!  The fast-acting and long-lasting formula will not 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