Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Magnesium is essential for maintaining

Magnesium is essential for maintaining ionic balance

Perfect for reef keepers who want maximum results with minimal dosing complexity AND highest value

Recommended ideal phosphate levels to maintain a healthy reef aquarium are typically between 0

Regular dosing helps ensure even the most overlooked trace elements remain in balance

To raise Iron by +3 µg/L in a 50 gal tank

Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Magnesium is essential for maintainingGranular 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 in a marine system. Controlling your phosphates helps stem current algae issues and prevents future algae outbreaks. This high performance filter media is made with a premium iron oxide adsorber designed to target and remove