The seaweed is aquatic plants that form frequently in the water of the swimming pool. Their green color and the slippery walls expose them easily, although also they can be of mulberry or black color. They are the producers of the aspect neglected of the swimming pool and that force continuously to cepillar the walls of the same one. The seaweed have to prevent the formation, to avoid the development and to destroy them. Our products act under these characteristics.