MarinePure Bio Filter Spheres - Advanced Filtration Media Select:1 Gallon as it is calibrated precisely

as it is calibrated precisely for natural seawater (NSW)

The Tunze Stainless Steel Blades provide a seamless replacement solution for maintaining the efficiency of your Tunze Care Magnets

Needle-wheel pump for increased air intake

previously known as Jebao

MarinePure Bio Filter Spheres - Advanced Filtration Media Select:1 Gallon as it is calibrated preciselyMarinePure 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