The Core7 Base Elements set is designed to maintain near-natural sea water parameters for reef aquaria using the Triton Method of reefkeeping. This advanced dosing solution delivers a revolutionary approach with its highly concentrated form, eliminating the need for dilution and saving space while reducing preparation hassles. It includes four 1-gallon jugs: Part 1, Part 2, Part 3a, and Part 3b, providing essential macro and trace elements necessary for coral growth and reef health without causing ionic imbalance.