Seachem equilibrium is specifically designed to establish the ideal mineral content for the planted aquariumr seachem equilibrium contains no sodium or chloride which can be detrimental to a planted aquarium at elevated levelsr equilibrium is ideally suited for use with ro reverse osmosis or di deionized water or any mineral deficient waterr equilibrium raises the essential mineralelectrolyte content general hardness of the water to balance with and promote stability of the carbonate