Bottle Biosphere Guide
Place a circle of window screen or a thin layer of dried sphagnum moss over the charcoal. This stops soil from sifting down.
Often overlooked but vital. Bacteria and microscopic organisms break down waste (snail poop, decaying leaves) and turn it into nutrients (nitrates) that the plants can use again. Bottle Biosphere Guide
The Cycle:
Before you build, you must understand the "Engine" that runs your biosphere. A functioning biosphere relies on three distinct zones working in harmony: Place a circle of window screen or a