terrarium layering

Dry sphagnum moss can be added next after the bottom gravel. It act as a filter to prevent soil flowing into the bottom layer of gravel during watering.
It also can be added on top of your soil to prevent excessive moisture loss from your pot due to hot weather or draft.
Medium : approx. 300ml, package size 14cm x 9cm
Large : approx. 1000ml, package size 20.5cm x 13cm
Bulk: approx. 3000ml