Does Your BioActive Enclosure Need A Drainage Layer? Quick answer

Does your enclosure need a drainage layer?

A drainage layer and mesh barrier are highly recommended for tropical or high-humidity bioactive setups to prevent waterlogged soil, root rot, and stagnant foul-smelling, anaerobic conditions. While not strictly necessary for arid or dry setups with minimal watering, it is crucial for long-term plant health and maintaining a functioning cleanup crew in humid environments.