Volcanic Stone 500G

Natural volcanic rock filtration media designed for aquarium and pond water purification. This 500g package of porous volcanic stone helps maintain water quality by providing effective biological filtration and cultivating beneficial bacteria. Key features: • Natural volcanic rock material • Highly porous structure for optimal filtration • Supports beneficial bacteria growth • Helps purify and clarify water • Suitable for aquariums and ponds • 500g package size Volcanic stone filter media is an excellent choice for both mechanical and biological filtration in aquatic environments. The porous nature of the stone provides a large surface area for beneficial bacteria colonization while helping to trap debris and waste particles. This product should be rinsed thoroughly before first use and can be reused multiple times with proper maintenance.