MarinePure Bio Filter Spheres - Advanced Filtration Media Select:2 Quarts and has remained one of

and has remained one of only a few in the world with continuous production for over 30 years

Safe for all pond life

0 for freshwater tanks

to then operate for at least 3 months powered by its own battery

MarinePure Bio Filter Spheres - Advanced Filtration Media Select:2 Quarts and has remained one ofMarinePure Bio Filter Spheres revolutionise aquarium filtration by providing exceptional biological filtration capacity. The spheres offer a massive surface area designed to efficiently accommodate beneficial bacteria, optimising the biological filtration process in both marine and freshwater tanks. Their versatility significantly reduces the necessity for live rock, allowing aquarists to explore innovative tank designs with the confidence of