Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Create your kalkwasser solution based

Create your kalkwasser solution based on the mixing amounts suggested above - anywhere between ½ teaspoon to 2 teaspoons of kalkwasser per gallon of RO/DI water

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

2 Day dosing: Add 2/3 of the total recommended dose on day 1

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

DOSE =      10 x 300     =    3000   =  8

Granular Ferric Oxide (GFO), Bayoxide E33, Saltwater & Freshwater Aquarium Filtration Media for Phosphate Removal Carbon Create your kalkwasser solution basedGranular 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