Tropic Marin BIO-ACTIF Sea salt is the unique sea salt with bioactive marine agents. Tropic Marin BIO-ACTIF is an innovative product combining the protective and growth-promoting action of natural bioactive marine substances with ist optimal formula composed of the very purest ingredients. Tropic Marin BIO-ACTIF Sea Salt develops a sond microbiological balance which stabilises the water quality and supports the nutrient intake of invertebrates. Made with pharmaceutically pure salts and contains all main and trace elements as well as bioactive substances native to tropical sea water contained in a natural formula. The 70 trace elements and mineral nutrients are held by the bioactive substances in their dissolved state as natural organic complexes. Tropic Marin BIO-ACTIF Sea Salt is free of nitrates and phosphates and is therefore the ideal base formula for the care of even the most delicate fish and coral in the aquarium. Tropic Marin BIO-ACTIF Sea Salt is highly compatible with the oth