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Exo Terra Bio Drain

Exo Terra Bio Drain
Biological filteration

This non-organic substrate allows excellent drainage in the terrarium. It will not break down or rot like many other substrates. This substrate works as a natural biological filter system.


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This non-organic substrate allows excellent drainage in the terrarium. It will not break down or rot like many other substrates. Use in conjunction with Bio Drain Terrarium Mesh to prevent the top layer substrate mixing with the draining substrate and contaminating the water. This substrate works as a natural biological filter system. The clean terrarium water can then be used to circulate in waterfalls and the monsoon rain system.

Exo Terra Bio Drain Installation

  1. Wash the Bio Drain Terrarium Draining Substrate thoroughly and spread it evenly in the terrarium.
  2. Create a water part by removing substrate in the desired location, then cover the substrate entirely with the Bio Drain Terrarium Draining Mesh.
  3. Add a biological substrate like Plantation Soil on the terrestrial (land) area.
  4. Add an aquatic substrate like Turtle Pebbles or Riverbed Sand to the water part and add water.