Sargassum muticum and potash for fertilization. Water treatment: the cell walls of "S. muticum" contains alginates and fucoidans. The association of both molecules forms a bigger molecule and this one can be a flocculant. This process can be a method to catch organic matter present in sewage. This flocculant, rich in proteins and oligoelements, is easily biodegradable and could be used for fertilizer. Previous studies have shown that "Sargassum muticum" is able to carry out the biosorption of heavy metals like cadmium, chlorophenolic compounds, and nickel. Antifouling: Secondary metabolites produced by marine algae could be an interesting alternative antifouling agent. Previous studies
Sargassum muticum around the farming structures, requiring additional maintenance. It also gets entangled with the propellers of the boats. Mechanical removal—however this promotes dissemination of the species and the technique is labor-intensive. Chemical—the use of herbicides is advised against, because it poses a major risk to the environment and others organisms. Biological—there are few natural predators, one example is a little copepod that will eat only the unhealthy and damaged parts of "S. muticum." Currently the distribution is stabilized, and only mechanical removal is performed. There are some potential uses for "Sargassum muticum." In agriculture, algae are used as sources of nitrate