Fermcap-S (Foam Control)

Prevent boil overs and fermentation blow-offs with Fermcap-S Foam Control, an effective anti-foam agent designed to manage excessive foam during brewing and fermentation. By reducing surface tension, Fermcap-S helps keep kettles and fermenters clean without impacting flavor, clarity, or head retention in finished beer. Fermcap-S is ideal for homebrewers working with small fermenters or limited headspace, including systems like The Catalyst. It provides reliable foam control during vigorous boils and active fermentation, helping reduce mess and product loss. The formula works at very low dosages and breaks down naturally during fermentation, leaving no sensory impact on the final beer. Used as directed, it does not interfere with yeast performance, carbonation, or foam stability in the glass. This product is used at a rate of 2 drops per gallon of beer and is packaged in a 1 oz amber glass vial with a dropper for precise dosing. For best performance and shelf life, Fermcap-S sho