Catalytic Activated Carbon & GFO Filtration Kit w/2 Mesh Bags - GFO (1.0 lb), Catalytic Activated Carbon (2.25 lb) Catalytic Activated Carbon and 8-9 dkh as the

and 8-9 dkh as the upper threshold

25 cups per every 100 gallons in tank volume

Manganese is rapidly depleted in reef systems and should be replenished regularly to maintain stable

Within ideal range Start with a dosage that matches

Nickel is quickly depleted in closed reef systems and is rarely replenished by salt mixes alone

Catalytic Activated Carbon & GFO Filtration Kit w/2 Mesh Bags - GFO (1.0 lb), Catalytic Activated Carbon (2.25 lb) Catalytic Activated Carbon and 8-9 dkh as theThis kit includes GFO 1 lb jar (454 g) Catalytic Activated Carbon 2. 25 lb jar (1. 02 kg) 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