CerMedia MarinePure 18.9L Bucket Sphere

High-Efficiency Bio-Media for Superior Filtration Performance

The CerMedia MarinePure 18.9L Bucket Sphere is the ideal solution for aquarists seeking premium biological filtration. These 1.5" spheres offer a massive surface area for beneficial bacteria colonisation, helping eliminate ammonia and nitrite, while significantly lowering nitrate levels.

Crafted with Thin Bio-Film Technology, MarinePure spheres ensure nutrients reach bacteria faster, while old bio-film is easily flushed—keeping your system clean and efficient.

Key Benefits

• Replaces 1,350 plastic bio-balls per sphere

• Supports higher fish loads & stable water chemistry

• Reduces filter maintenance

• Open pore structure resists clogging

• Easily shaped to fit canisters, sumps & wet/dry filters

• Volume: 18.9L bucket of 1.5" spheres