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Composting Toilets

 
Mother Tree
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Location: Portugal
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I've embedded that video below.

 
Posts: 140
Location: Coastal temperate deciduous forest (Boston) - zone 6b - 44" rain/year
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solar tiny house trees
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The most impressive composting toilet I've had the pleasure of using has much in common with Steve Heckeroth's progressive chamber design, which needs so little attention and involves no hauling or emptying of buckets of poo. I have a drawing of the design, which I'll share once I figure out how to do it. Meanwhile I'll describe it.

Like the Sunny John, it's a vault toilet technically. Under the bathroom in a building (house) is a large concrete vault-- but not as large as you'd think. The secret is a metal mesh with 1 - 2" square openings midway through the drop zone. At start-up, the mesh is covered with several layers of newspaper, then some fresh compostable material, and a heaping handful of worms.

Begin use. When I was using these toilets, they had been in operation for fourteen (14) years and they HAD YET TO BE EMPTIED. Not enough had piled up in the bottom of the chamber to need emptying. Worms are your friends! Amazing reduction in volume. The compost could be removed at any time and used on trees, etc. This is permaculture at its best, big return for a well-designed, inexpensive system that is so low maintenance it's hard to believe. The residential building code in my state will allow these because they are a vault toilet. Vault toilets need to be emptied-- if they ever get full!

These toilets use a urine diverter to keep the solids from getting too wet, and because urine is such an easily used source of fertilizer. Dilute it 2:1 or 5:1 or 10:1, water:urine, and apply it.
 
Posts: 11
Location: Off-grid in Terlingua, TX
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Jerry,

I am very interested in this. Do you have any more details? My biggest concern would be with pests. I have heard of similar setups that are quickly overrun with roaches. Does this system use any sort of cover material? Is there a vent in the "vault" to allow it to breathe?

If you have a drawing and could email that to me, that would be awesome. My email is chris _AT_ mobilemillers.com

This sounds interesting to me and i would love to learn more.

Thanks!





Jerry McIntire wrote:The most impressive composting toilet I've had the pleasure of using has much in common with Steve Heckeroth's progressive chamber design, which needs so little attention and involves no hauling or emptying of buckets of poo. I have a drawing of the design, which I'll share once I figure out how to do it. Meanwhile I'll describe it.

Like the Sunny John, it's a vault toilet technically. Under the bathroom in a building (house) is a large concrete vault-- but not as large as you'd think. The secret is a metal mesh with 1 - 2" square openings midway through the drop zone. At start-up, the mesh is covered with several layers of newspaper, then some fresh compostable material, and a heaping handful of worms.

Begin use. When I was using these toilets, they had been in operation for fourteen (14) years and they HAD YET TO BE EMPTIED. Not enough had piled up in the bottom of the chamber to need emptying. Worms are your friends! Amazing reduction in volume. The compost could be removed at any time and used on trees, etc. This is permaculture at its best, big return for a well-designed, inexpensive system that is so low maintenance it's hard to believe. The residential building code in my state will allow these because they are a vault toilet. Vault toilets need to be emptied-- if they ever get full!

These toilets use a urine diverter to keep the solids from getting too wet, and because urine is such an easily used source of fertilizer. Dilute it 2:1 or 5:1 or 10:1, water:urine, and apply it.

 
Jerry McIntire
Posts: 140
Location: Coastal temperate deciduous forest (Boston) - zone 6b - 44" rain/year
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Chris, I am way too busy to promise it soon, but I will make it happen. Have to find my PDC notebook, and we're at the end of negotiating on a property for our community.

There were vents, passive. No roach problem that I saw, and this was a sub-tropical environment (34ยบ S). There were at least eight of these, in community buildings and residences.

I thought it was brilliant and plan to build one in our new house.
 
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Location: bluefield,west virginia Usa
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I hope my suggestion to you will help you out.
I opted for Nature's Head Dry Composting toilet Once you start using it you will see that it combines with the heat regulator to speed up the composting process.All of the excrement gets stored deep inside the toilet and this leaves it odorless when used.It provides versatility  in its function.
If you like to know more about it or about any other composting toilet you must go through this source https://topreviewedten.com/best-composting-toilet/
 
Why does your bag say "bombs"? The reason I ask is that my bag says "tiny ads" and it has stuff like this:
2019 ATC (Appropriate Technology Course) in Montana
https://permies.com/wiki/101802/ATC-Technology-Montana
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