Product DescriptionKent Marine Essential Elements replaces biologically important trace minerals which are removed by marine fish and invertebrates, and removed through protein skimming,ozone, and especially carbon filtration.
Designed for fish only and reef systems.
Essential Elements is unmatched in its ability to increase vigor and color.
Does not contain detrimental heavy metals, phosphates, nitrates, or silicates.
Does not promote undesirable algae growth.
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 KENT Marine Essential Elements every 2 weeks.
If not, then add weekly.
Also add immediately after carbon use.