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Irish moss, also known as carrageenan, is a seaweed that is commonly used in winemaking as a clarifying and fining agent. It is a natural product that is safe and effective, and it does not significantly affect the flavor or aroma of wine.


Irish moss works by binding to proteins and other suspended solids in wine. This causes the solids to clump together and settle to the bottom of the wine, where they can be removed by filtration. Irish moss is particularly effective at removing haze-causing proteins, such as those that are responsible for chill haze and bottle haze.

Irish Moss

  • 1 oz, 2 oz, 1 lb, 5 lb, 10 lb, 50 lb

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