MarinePure Gems s2/m Some systems will also see

Some systems will also see a decrease in nitrates

Safe for Use with All Water Conditioners

Any discoloration or scratches will interfere with any optically based measurement

1° precision

Get the most out of your Hydra Edge 44HD or 68HD with this versatile mounting kit

MarinePure Gems s2/m Some systems will also seeCERMEDIA MARINE PURE GEMS 90G Designed for Ammonia & Nitrite in systems of up to 75 gallons. Can be used in canister filters, hang on back filters or in nano tank filter systems Benefits: High Surface area and open porosity for maximum beneficial bacteria growth to eliminate ammonia and nitrite and to reduce nitrates 135m2 (1450 in2) of surface area per box Lowers tank maintenance by reducing water changes and costly chemicals Inert and chemically