BIOPTIM is intended for marine bacteria. Based on seaweed extracts, it is an excellent biostimulant that provides microorganisms with the vitamins, trace elements, amino acids and plant surfactants necessary for their proper development and optimal purification activity. BIOPTIM energizes the work of bacteria, accelerates the digestion of organic matters and improves the quality and transparency of water. It also facilitates the elimination of nitrates and phosphates, precursors to the appearance of filamentous algae and cyanobacteria.