Black, Extra-Fine Particle (~1mm) Fired Volcanic Ash Base Substrate

Establishes Proper K+, Mg2+ & Ca2+ in purified & Soft Water for all Planted Aquarua

Regenerates Brightwell Aquatics PhosphatR Phosphate-Adsorption Media

10 – 15µm Phytoplankton Suspension for Soft Corals, Clams, Sponges, and Other Filter-Feeders

Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality