Exo-Terra BioDrain Terrarium Draining Substrate - 4.4lbs

Exo-Terra BioDrain Terrarium Draining Substrate is a natural, non-decomposable substrate that facilitates healthy drainage in your reptile habitat, without decomposing like organic substrates. It also functions as a biological filtration system, allowing water to be recirculated for use in waterfalls and drippers. Natural non-decomposable crushed lava substrate. Creates a water drainage system. Provides medium for biological filtration. Ideal for tropical terrariums & paludariums.

Optional: Use with Exo-Terra BioDrain Terrarium Draining Mesh to keep BioDrain substrate separated from decorative top-layer substrate.

Note: For enhanced biological filtration, use with Exo-Terra Bio Clean (formerly known as Biotize). 4.4lbs