If you're building a closed terrarium, lay a 1/2-inch to 1-inch layer of sphagnum peat moss. This layer will absorb water and hold moisture around your roots, extending the time between watering ...

Closed terrariums have a lid or stopper. They are either mostly closed to outside air and opened to add water or are ...

Add a small handful of activated charcoal into the Terrarium. This helps to filter and purify the water and stops it from smelling. Next, you need to add some moss. This acts as a barrier to stop ...