SaltwaterAquarium Bulk GFO Granular Ferric Oxide Phosphate Reducer (1/2 Gallon - 2 lbs)
This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium skeleton in corals. There are several different methods for dealing with phosphate levels but one they I like is using granulated ferric oxide (or GFO) in a media reactor. GFO is best used with a media reactor for several reasons.
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SaltwaterAquarium
{"Brand": "SaltwaterAquarium", "Liquid Volume": "2 Liters", "Item Weight": "2 Pounds", "Item Form": "Granules", "Package Dimensions": "6.57 x 5.2 x 5.2 inches; 2 Pounds", "Date First Available": "October 9, 2019", "Manufacturer": "Kolar Labs"}