Home From Home Dried Sea Moss in a 100g pack is dried Caribbean sea moss (also known as Irish moss or carrageen moss) — a type of seaweed long part of Caribbean traditional drinks. The traditional preparation: rinse the dried sea moss thoroughly to remove sand and salt, soak in cold water for several hours or overnight, then blend with water and strain to make sea moss gel. The gel can be added to smoothies, drinks, or used as a thickener. Particularly popular in Caribbean Irish moss drinks, where the gel is sweetened, spiced, and chilled. The 100g pack lasts a long time as a little goes a long way once hydrated.