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Pond Algae ControlUltraClear Super Strength Treatment (S.S.T.) for large problem ponds with string algae. Restores water purity and clarity at the pond surface and at the bottom of the pond. Digests sediments and elinimates odors. Safe for fish and wildlife. Treats up to 1800 gallons per 12oz. Available in 12oz, 32oz and one gallon.
Also available in 22oz dry powder in a flow-through bag for larger ponds. Use one pack for up to 10,000 gallons per month.