Description
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 de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates more efficiently without harming the environment. Use in sumps, stacked in extra-large filters.
