Exo Terra Bio Drain Substrate 4.4lb

This substrate is a perfect drainage layer for your bioactive setup, and it may be used beneath a mesh. It will not rot, as it is non-organic, allowing for extended use. It works to both filter and drain the water from your terrarium or paludarium. Perfect for bioactive enclosures Great for long-term use Intended to be used as a drainage layer Comes in a 4.4lb bag