About This

• Optimal Grain Size: 6-8mm in size, this grade allows you to build an aquascape and secure plants in place effectively
• Responsibly Sourced Material: Ethically and sustainably sourced under license in the USA
• Dramatic Natural Coloring: A dark pewter gray when dry and jet black when wet, this substrate gives your aquarium a dramatic look without using artificial substrate
• Clean and Ready to Use: Triple washed and kiln dried with minimal fines for immediate use
• Pure Natural Substrate: No toxins, no debris, no artificial colors - 100% natural composition
• Versatile Application: Suitable for aquascaping, aquariums, vivariums and terrariums to create stunning underwater or terrestrial environments
• Generous Quantity: 20lb package provides ample substrate coverage for medium to large aquarium setups