5 US Gallons - High-density polyethylene construction withstands temperatures up to 180°F.
Choose the options you need, some you might have so they are optional.
This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for...
1½" Spheres
Designed for Ammonia and Nitrite Removal
One MarinePure Sphere has the same surface area as 1,350 plastic 1.5" bio-balls.
Primarily designed to provide deep anaerobic zones for...
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...