The best anti-foam brewing agent on the market! FermCap® S is a unique emulsion of an extremely effective surface active agent (dimethylpolysiloxane) which prevents foam formation by reducing surface tension.

Useful for minimizing foaming during fermentation, distillation, and boiling.

Directions for use: add two drops per gallon (or one capful per 6-gallon batch) before boiling or at the start of fermentation.