API Phos-Zorb is a filtration media cartridge for freshwater and saltwater aquariums. This high quality filtration media eliminates cloudy water in your tank and also removes debris, phosphates and silicates while promoting the growth of reef-building corals and preventing calcium precipitation caused by excess phosphate. This highly effective, densely filled cartridge provides even more filtration capacity and fits API SuperClean Power Filters.
Size 5-20: Fits API SuperClean Power Filter 5-20
Size 30: Fits API SuperClean Power Filter 30
Size 50: Fits API SuperClean Power Filter 50