Non-Foaming Algaecide 60% controls algae growth in swimming pool water without causing foam. This product is effective at both high and low pH levels. This algaecide is compatible with chlorinating products and other chemicals used to treat swimming pools and may reduce the amount of those chemicals normally required. However, do not mix this product with concentrated dry or liquid chlorinating products.
60% Ethylene Dichloride.
Dosage: Add an initial dose of 6 to 12 ounces per 10,000 gallons of pool water. On a regular basis (every 5 to 7 days), use a maintenance dose of 2 to 9 ounces.