so here is an idea I am working on for a future ferm chamber. I'm still learning sketchup so take into consideration that things are not 100% to scale or drawn all that well for that matter. But my thought is to use a chest freezer large enough to hold more than the two carboys (the weird looking blue things in the pic) on each level. Insulate between each shelf, and place fans in each shelf to circulate air. The intent would be to to allow different temps on each shelf. The lower the shelf the lower the temp, possibly even lager the lowest level. Each level would have it's own temp probe to turn on the fans. Does my idea seem feasable, and if so anyone have some ideas for improvements?