Recreate rainforest conditions in your aquarium and encourage spawning, fertility and lush plant growth. Marc Weiss' Instant Amazon is specially designed for Discus, Angelfish, dwarf Cichlids, Tetras, Killifish, Rasboras, Gouramis and other rainforest fish. Instant Amazon is not a trace element replacement or plant food. Enhances the ability of plants micro flora and micro fauna to obtain nutrients and energy from water and utilize light. Contains no nitrates, phosphates or silicates.