Drainage Substrate
A drainage layer within your terrarium means that you can keep a layer of water at the bottom of the enclosure, which then keeps the humidity up and ensures that the above layer of soil is kept hydrated. This is particularly important if you're keeping live plants or using a bioactive custodian set up.
To create this, simply use a layer of hydro rocks on the bottom of the enclosure, ideally around 1-2" thick, then place a layer of hydro matting neatly over the top of this, which prevents the soil from leaking down into the drainage layer. Then place your chosen substrate on the top, and water gently, filling at least half of the depth of hydro rocks.
For more information about Bioactive set ups, and what custodian cleaners you could use in your set up, check out our blog with all the info you'll need to get started!
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Real plants make a great impact on your vivarium, not only through the look of it, but they will also help to ensure that your humidity is kept up, which is perfect for rainforest or jungle set ups. This can be used in arid set ups as well though, just adjust to fit with the reptile you're keeping.