Brightwell Aquatics Xport-NO3 Cubes XPCubeN500 1/2" Sulphur Doped Activated Denitrification Media 500ml

For use in salt and freshwater aquariums with a pH of 7. For ages 5 and up High surface area provides excellent filtration efficiency; provides over 71 square feet of usable area per liter cube Uses "ultra-activated" material with the ability to outperform conventional denitrification media; results in smaller space requirements to achieve equivalent denitrification Eliminates the need to perform water changes performed for the purpose of reducing nitrate Can be used in conjunction with Xport Bio Cubes and Xport PO4 Cubes; Made in USA