Due to its porosity, it can also help with water retention and aeration too. Charcoal is often used in terrariums for its ability to filter any waterthat passes through it, thus “sweetening” the substrate. Though the recipe doesn’t indicate any one particular kind, horticultural charcoal and activated charcoalare.
How to make diy terrarium
Diy glass geometric terrarium
Diy beachy air plant terrarium
Step 2 Mix potting soil with Perlite and add to Terrarium Terrarium
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