Orb-3 Antifoam neutralizes foam quickly & safely. The fast-acting formula quickly knocks down ugly foam, making this kind of upset easy to prevent and control in pools, spas and water features. This natural, eco-friendly, easy to use water-based emulsion provides long-lasting, effective defoaming and foam prevention. Its food-grade ingredients simply cause water to go flat. And, because foam can harbor bacteria and organic materials, youll reduce scum lines and your maintenance time as well. Professionals rely on Orb-3 Antifoam for great looking water in pools, spas and water-features all year round. For pools: Apply 2 ounces per 5,000 gallons For Spas: Apply 1/2 ounce per 500 gallons. Safe for people, pets and plants, Orb-3 Antifoam carries the Orb-3 60-Day Satisfaction Guarantee: if you are not completely satisfied with your purchase simply return it within 60-days and we will gladly refund your purchase price. To use: Shake thoroughly before using. Dilute dose with enough water to topically spray or add to water body. Increase or decrease dose as needed to control foam. For persistent foam or foamy areas, use an automatic feed pump such as the Orb-3 2000 Peristaltic Pump. It is safe to enjoy the water immediately after use. Do not put sanitizers or other chemicals directly in the bucket with Orb-3 Antifoam. For best results use within 6 months of purchase. Made in USA.