Nutrafin aqua plus makes tap water safe for fish by removing chlorine and chloramine and neutralising heavy metalsr stress reducing formula protects fins and scales contains pure herbal extracts which visibly reduce stress and provides a protective coating to protect scales and fins from traumar treats up to 1000 litresr use forr r adding new waterr new tank set upsr water changesr transporting fishr treating cuts and abrasionsr double dose for marine aquariumsr for fresh and salt wate