More Retort Resources

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...

Tools and Materials for the Retort

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...

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