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Economical, effective algaecide that kills and prevents algae, reduces the surface tension of the water, and reduces scum lines around pools and spas. One gallon initially treats 50,000 gallons. Pink in color.

Powerful, concentrated, non-foaming algaecide that combats and prevents all types of algae. Also helps clarify water and reduces the need for other chemicals to maintain water balance. One quart initially treats 12,000–24,000 gallons.

Concentrated, non-foaming algae killer and preventative that is effective against tough algae types such as black algae. One quart initially treats 80,000 gallons.

Same benefits as Sanygen Concentrated Algaecide at double the strength. This 60% solution is effective on a wide range of algae types. One quart initially treats 24,000–48,000 gallons. Note: site lists this item as not available in 2023.