Orb-3 Lake & Pond Antifoam reliably knocks foam down quickly and makes this type of upset in lakes, backyard ponds and water features easy to control. The fast-acting formula is environmentally responsible and is safe for people, fish and other wildlife when used as directed. The water-based emulsion that provides natural, long-lasting defoaming persistence. Food-grade active ingredients in Orb-3 Lake & Pond Antifoam deflate the gases dispersed in water, simply making foam go flat. Best of all, this product 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. Dosing: Apply as needed: 1 tbsp. per 500 gallons or 1-gallon per acre-foot. To Use: Shake product vigorously before use. Dilute recommended dosage with a minimum of 1-gallon of pond water. Disperse product evenly over pond surface using a hand-held or mechanical sprayer. For best results, use within 6 months of purchase. Made in USA.