DuraChlor Combat 60 AlgaecideCombat 60 Algaecide controls the growth of algae and effectively kills existing algae in swimming pools. Combat 60 can be used as a preventative to deter the growth of algae or kill algae that has already grown in your swimming pool. Combat 60 is a polymer-based, non-foaming, non-metallic (non-staining) algaecide that can also be used in conjunction with super chlorinating your pool to quickly eliminate algae growth. Features: Highly concentrated algaecide Non-metallic, non-foaming pH neutral, Effective in a wide pH range Not affected by elevated levels of sanitizer in water Swim immediately after application Compatible with all sanitizing and oxidizing systems Swimming Pool Algaecide Effective at killing and preventing algae Consistent use can reduce the amount of sanitizer normally required Superior water clarity Non-foaming Kills and prevents most types of algae Size: 32 Ounces Dosage Requirements: Initial treatment: (freshly filled, cleaned or first treatment) Add 6 to 11 ounces per 10,000 Gallons Weekly Preventative Maintenance: Add 2 to 4 ounces per 10,000 gallons Pools With Algae Growth: Add 11 to 17 ounces per 10,000 gallons Combat 60 is effective at killing most algae types and is also used to control the growth of all types of algae in swimming pools, spas, whirlpools, hot tubs and decorative fountains. Using this product weekly prevents algae outbreaks from occurring. Combat 60 is non-foaming and is the preferred choice for use in fountains, stand alone spas, or spas attached to swimming pools. This product is compatible with pools or spas that are sanitized with chlorine or bromine. Continued use of this product may reduce the amount of chemicals normally required to maintain your pool, spa, hot tub, or fountain. This product can be used during the colder months when swimming pools are covered or no longer in use.DuraChlor C003062-CS20Q