Sargassum is an invasive brown seaweed that has recently found its way to the coast of Ireland. The same species also found in Indonesia. Sargassum is a genus of brown seaweed. It is known for its distinctive golden brown color and for forming large floating mats in the open ocean. Sargassum spp. Sargassum Muticum, Sargassum Fluitans, Sargassum Natans Moisture : 18-20% Impurity : 3% Drying Process : Sundried Bags : 50 KG