Air Exchange Fan

Published June 25, 2018 at 1000 × 1333 in Fruiting Chamber from a recycled Shower Stall
A fan on a timer is attached to the drain pipe allows CO2 to be periodically purged from the chamber.

A muffin fan on a timer is attached to the drain pipe allows CO2 to be periodically purged from the chamber. When condensation accumulates it can be drained by remving the plug.

removes CO2 from the chamber.