Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Calcium: Between 430–450 parts per

Calcium: Between 430–450 parts per million (ppm)

made from selected grades of coconut shells

Magnesium is essential for maintaining ionic balance

accelerate growth

Measure out the amount to be used in your tank

Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Calcium: Between 430–450 parts perGranular 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