Exo Terra BioDrain Terrarium Substrate for Aquarium, 4.4-Pound

Exo Terra BioDrain Terrarium Substrate for Aquarium, 4.4-Pound
- Natural; non-decomposable substrate
- Creates a water drainage system
- Ideal for tropical terrariums and paludariums
Exo Terra BioDrain Terrarium Draining Substrate is a natural, non-organic substrate that allows excellent drainage of the terrarium. It will not rot or decompose like other natural substrates. The optional BioDrain Terrarium Draining Mesh ( sold separately) will keep the BioDrain Terrarium Draining Substrate separated from the decorative terrarium top-layer substrate and prevent the different substrates from mixing and contaminating the water. The BioDrain Terrarium Draining Substrate will function as a biological filtration system. The clean terrarium water can then be circulated in waterfalls, the Exo Terra Rain System or plants.

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