Volcanic Stone 500g

Natural volcanic rock filter media designed for aquarium water purification and biological filtration. This 500g package of porous volcanic stone helps maintain water quality while providing an ideal surface for beneficial bacteria colonization. Key features: • Natural volcanic rock material • Highly porous surface for bacterial growth • Helps purify aquarium water • Provides biological filtration • 500g package size • Long-lasting filter media Volcanic stone filter media is an excellent choice for both freshwater and marine aquariums. The porous nature of the stone creates a large surface area that allows beneficial bacteria to thrive, helping to break down harmful waste products in the aquarium. This media can be used in canister filters, sumps, or other filtration systems. Rinse thoroughly before first use to remove any dust particles.