Kent Marine Essential Elements replaces biologically important trace minerals necessary to a healthy marine aquarium. These elements are depleted by natural biological processes or removed unintentionally through protein skimming, ozone, and carbon filtration. Does not contain phosphates, nitrates or gluconates.
Caution: Not for human consumption. Do not taste, swallow or breathe. Do not mix with household chemicals. Keep out of the reach of children.Add 5 mL (1 tsp) per 50 gallons of aquarium water every 1 to 2 weeks, depending on the amount of water changes performed. With frequent water changes, then add every 2 weeks. If not, then add weekly. Add immediately after carbon use.