DEFOAMER, 10% LIQUID SILICONE
Food grade liquid silicone based defoamer. Active emulsion is 10% polydimethylsiloxane and silica. Widely used in the food and cosmetic industries. FDA approved. Can be easily diluted in a blended with distilled water. Used in aquaculture to eliminate surface foam. A little goes a long way, 25 ml or less will treat 1000 gallons (3.8 m2).