Volcanic Rock Aquarium Filter & Planting Rings for Fish, Shrimp Breeding, Hiding Caves, Landscaping, Aquatic Plant Decor, and Bonsai Support

Enhance your aquatic environment with these versatile volcanic rock rings, perfect for aquarium filtration and decoration. Their porous structure aids in biological filtration, ensuring a cleaner habitat for fish and shrimp. The rings provide natural hiding spaces, promoting stress reduction and breeding opportunities. Ideal for aquascaping, they are excellent for creating intricate landscapes and supporting aquatic plant growth. These rings can also be used to anchor bonsai trees, offering both aesthetic and functional benefits to your aquatic setup. Material: Volcanic Stone Function: Fish tank landscaping Weight: 4 pieces/kilogram Manufacture country: China Instructions included: No