![Amazon.com : Exo Terra BioDrain Terrarium Substrate for Aquarium, 4.4-Pound : Pet Habitat Substrate : Pet Supplies Amazon.com : Exo Terra BioDrain Terrarium Substrate for Aquarium, 4.4-Pound : Pet Habitat Substrate : Pet Supplies](https://m.media-amazon.com/images/I/91aETgr1s1L._AC_SL1500_.jpg)
Amazon.com : Exo Terra BioDrain Terrarium Substrate for Aquarium, 4.4-Pound : Pet Habitat Substrate : Pet Supplies
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Drainage layers for open vs closed terrariums | Terrarium plants, Diy succulent terrarium, Closed terrarium plants
![Drainage Layer Substrates For Bioactive Terrariums and Vivariums | NEHERP - Your One Stop Vivarium Shop! Drainage Layer Substrates For Bioactive Terrariums and Vivariums | NEHERP - Your One Stop Vivarium Shop!](https://www.neherpetoculture.com/img/substratebagldl2019.jpg)
Drainage Layer Substrates For Bioactive Terrariums and Vivariums | NEHERP - Your One Stop Vivarium Shop!
![Is my drainage layer too thick? I'm unsure and looking for some feedback! Soil will go to just to the bottom of the 3 cork rounds. : r/Vivarium Is my drainage layer too thick? I'm unsure and looking for some feedback! Soil will go to just to the bottom of the 3 cork rounds. : r/Vivarium](https://preview.redd.it/zlp4o6z4v9m31.jpg?width=640&crop=smart&auto=webp&s=d9df22b3dcd7a975692b71754c8de3b13b58790e)