Catalytic Activated Carbon & GFO Filtration Kit w/2 Mesh Bags - GFO (1.0 lb), Catalytic Activated Carbon (1.0 lb) Rubidium This product is intended to

This product is intended to maintain magnesium levels when used with both parts of the Complete Tank System

IDEAL TANK LEVELS

Promotes vibrant coloration and tissue strength in corals

not for consumption

Catalytic Activated Carbon & GFO Filtration Kit w/2 Mesh Bags - GFO (1.0 lb), Catalytic Activated Carbon (1.0 lb) Rubidium This product is intended toThis kit includes GFO 1 lb jar (454 g) Catalytic Activated Carbon 1. 0 lb jar (454 g) 2 mesh filter bags (5. 5 X 7. 48 Inches) with plastic zippers made with reef tank safe materials that will not rust. Granular Ferric Oxide Granular Ferric Oxide (GFO) should be used as a part of your tank filtration tools primarily to control phosphate levels. Excess phosphate is one of the main contributors to algae growth, which can quickly become a major problem