Drainage Layers

HydroBalls are expanded clay balls that absorbs water and can be used as a base layer underneath substrates. Add water to create a natural aquifer and increase humidity levels for all tropical species. Use as a drainage layer below your soil mixture.

Exo Terra BioDrain Terrarium Draining Substrate is a natural, non-organic substrate that allows excellent drainage of the terrarium.

GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage.

Charcoal is the ideal substrate for culturing springtails. Provides plenty of surface area that springtails need to reproduce and thrive.
Makes a great addition to any substrate for extra drainage.

Just enough for a minimum 18x18 drainage layer.