Heart & Industry

Home · Murphy & Son

Propylene Glycol Alginate solution (PGA)

Propylene Glycol Alginate solution (PGA)

Murphy & Son

Price not listed

Kosher Product PGA is a solution of prepared food grade propylene glycol alginate derived from brown seaweed. It is used as a beer and cider foam stabiliser. Benefits It protects beer foam against contaminants at dispense, for examples dirty glasses Enhances foam stability of beers with a naturally high level of foam inhibitors Improves foam cling to side of glass Improves measured head retention value in beers

Murphy & Son's own words, read from their page.

Buy from MURPHY & SON LIMITEDMURPHY & SON LIMITED is a UK retailer, not the maker. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.