CerMedia MarinePure Gems 90g

Compact Yet Powerful Biological Filtration for Aquariums Up to 75 Gallons

MarinePure Gems offer all the biological filtration benefits of larger MarinePure products—now in a compact form ideal for nano tanks, canister filters, and hang-on-back systems. These ultra-porous ceramic gems provide an enormous surface area in a small package, helping to eliminate ammonia and nitrite, and reduce nitrate buildup for cleaner, healthier water.

Whether you're running a freshwater or saltwater system, MarinePure Gems give beneficial bacteria the perfect place to thrive, reducing the need for frequent water changes and costly chemical treatments.

Key Features

• 90g box suitable for tanks up to 75 gallons

• Massive 135m² (1450 in²) surface area per box

• Ideal for canister filters, HOBs, nano systems

• Eliminates ammonia and nitrite, and reduces nitrates

• Helps lower maintenance and reduce water changes

• Inert, non-toxic, and chemically stable

• Designed for placement after mechanical filtration for best results

• Suitable for both freshwater and marine aquariums