Enhance your finned or scaly friends’ habitat with Aqua Terra Aquarium & Terrarium Sand. This premium-quality， all-natural substrate provides ample living space for beneficial microbes and anchoring for plants. In aquatic set-ups， it also aids the filtering process by increasing the surface area available for nitrifying bacteria to colonize. The non-toxic， 100% acrylic colorfast coating won’t foul your water or impact your water chemistry and is safe for reptiles.In addition to fresh or saltwater tanks， ponds and terrariums， this natural sand is also ideally suited for adding beauty to potted plants， vases and much more.