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).
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