Procter & Gamble Pro Line #63 Foam Control Agent A silicone-based defoamer emulsion designed to weaken the structural integrity of bubbles, thus reducing foaming problems in a wide variety of applications. As little as 1 ounce (per 5 gallon capacity) added to recovery tanks of wet vacuums can help prevent costly equipment damage and decrease time spent emptying tanks. Safe and effective in hard or soft water, acid solutions, alkaline, or other areas where foam is a problem. Designed for use in recovery tanks of extractors, wet vacs, auto scrubbers and other equipment. qt. 1:640 (Pkg u/m = 6/cs Sold By u/m = Case)