The new MarinePure GEMs are made with the same formula as popular MarinePure SPHERES, the GEMs are approximately ¾ inches in diameter. They are packaged in hexagonal shaped boxes containing of 90 grams.
Each box contains over 135 m2 of accessible Surface Area.
MarinePure GEMs are the perfect size for canister filters, hang on the back filters or nano-tank filter systems.
This amount of media is good for up to 260 litre systems.
They are the perfect solution for ammonia and nitrite elimination and most users will also see better control in their Nitrates.