Essential Elements Supplement by Kent
Essential Trace Mineral Supplement for Reef & Marine Aquariums
KENT MARINE ESSENTIAL ELEMENTS replaces important trace minerals necessary for a healthy marine aquarium. These elements are depleted by natural biological processes and removed through protein skimming, ozone, and carbon filtration. Does not contain phosphates, nitrates or gluconates.
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, add KENT Marine Essential Elements every 2 weeks - else add weekly. Also add immediately after carbon use.