Overview Concentrated blend of Zinc, Iron, Molybdenum, Nickel, Copper, Vanadium, Manganese, Cobalt, Selenium, Chromium, Beryllium is essential to the biological health of your marine aquarium. Superior quality trace elements offset the rapid constant trace element depletion by protein skimming, coralline algae growth, coral growth, and oxidizing interactions. Fluval Sea Trace Elements supplements 11 key trace elements necessary for sea water to thrive.
5 mL (.17 oz.) treats 200L (50 US gallons). Contains no gluconates, nitrates, or phosphates.