by Mark & Jill Baker | Apr 14, 2022
by Mark & Jill Baker | Apr 14, 2022
There are many ways to produce biochar. The double barrel is the best way we’ve found, so that’s what you have here. Here are a few more ways to do it, though. https://youtu.be/pycou6ehKV4 This is a much longer video, but Mark shares much of the philosophy...
by Mark & Jill Baker | Apr 14, 2022
Download and print your instructions here Double Barrel Retort instructions Materials 50 gallon steel drum with lid 15 or 30 gallon steel drum Roofing steel: 2’ high, 3 sections Refractory insulation Collar for 6” stovepipe 6” stovepipe, one section 5/16 self...