Air Head Composting Toilet or Similar Mfg. - Page 8 - SailNet Community
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post #71 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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I wonder how would sawdust work in composting toilets?
Is there a preferred ratio of poop to coconut fiber or peat moss?
Which one of the composting toilets is the smallest (best able to fit in a small boat)?
Sales rep for Nature's head said 1 gallon zip lock bag full of peat moss. You can also buy stuff to spray in it after each use, I am guessing some sort of enzyme as a "helper" (some sources of this can be extremely expensive).
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post #72 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

Per suggestions in the owner's manual for my C-Head, I keep my peat moss in plastic wide-mouth jars that hold about a quart each. I pre-fill them outside with a scoop from the bucket I keep my peat moss in, stash them on a shelf, and use about 1 1/2 jars each time I empty the unit. They're just the right size for dumping into the C-Head without making a mess.....

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post #73 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

My book has the dimensions and details on building a composter. A sheet of newspaper
( with a picture of a politician you hate on it) works as well as a coffee filtre.
The stuff you find under old, moss covered logs works as well as peat moss. I put it in a cloth bag and hang it over my wood stove for a while, to dry it.

Brent Swain, Boat designer, Builder, and author of "Origami Metal Boatbuilding"
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post #74 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

Even though I am poor and on a budget, my boat came with a port-i-pottie and that just had to go. The ""proper head" along with through hull, holding tank, etc was gone and was to complicated to replace. I was willing to bite the bullet and buy a new air-head (about $975). But a friend had tried one out in a land setting and it failed miserably, none of the fault was the air head, he just used it wrong in the wrong environment with too many people, etc...so he gave it to me.
The foot print is the same as the port-i-pottie, but it is 6" higher and would no longer fit under the bunk....so I installed a bulkhead giving more places to install shelves and bins and giving me an enclosed head (woohoo).
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post #75 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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Originally Posted by krisscross View Post
I wonder how would sawdust work in composting toilets?
Is there a preferred ratio of poop to coconut fiber or peat moss?
Which one of the composting toilets is the smallest (best able to fit in a small boat)?
I don't know that there's any ratio quoted; you charge your unit with the amount specified by the instructions, then add more if it doesn't seem to be doing the job. My C-Head takes 1 1/2 to 2 one-quart jars of peat moss; the others are larger and take more.

Of the three we've been talking about here (Air Head, Nature's Head and C-Head), the C-Head is definitely the smallest and lightest. That doesn't mean it's flimsy, though; it's solid as a rock.

There are basically three models, if I remember right. The original, which I have, is great for setting against a vertical bulkhead. There's another one with a smaller footprint in the back, for fitting into corners better. And the third one has the bottom clipped at an angle in the back, so it'll fit better against the sloped side of a boat.

I'd post links or pictures, but I haven't reached the magic number of ten posts yet....

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post #76 of 165 Old 04-08-2013
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Re: Air Head Composting Toilet or Similar Mfg.

For me one of the key things that sold me on a C-head was I no longer had to use that flimsy single ply tissue. Soft double-ply luxury is available and affordable and doesn't plug the plumbing!
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post #77 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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I don't know that there's any ratio quoted; you charge your unit with the amount specified by the instructions, then add more if it doesn't seem to be doing the job. My C-Head takes 1 1/2 to 2 one-quart jars of peat moss; the others are larger and take more.

Of the three we've been talking about here (Air Head, Nature's Head and C-Head), the C-Head is definitely the smallest and lightest. That doesn't mean it's flimsy, though.

There are basically three models, if I remember right. The original, which I have, is great for setting against a vertical bulkhead. There's another one with a smaller footprint, that fits into corners better. And the third one has the bottom clipped at an angle in the back, so it'll fit better against the sloped side of a boat.

I'd post links or pictures, but I haven't reached the magic number of ten posts yet....
I think I'm allowed to post pic's now... let's give it a try.

The problem with my installation was that there's a plumbing and electrical chase against the back wall that holds the toilet out about four inches (thanks, dad-in-law who never saw a job you couldn't mickey-mouse....). The space was so small to begin with that even with the old RV flushing toilet I had to open the door to wipe my bottom without leaving a forehead print on said door. With the C-Head being four inches closer to the door than the old toilet that flared out over the chase, I just leave it ajar now. No biggie; I'm the only one here.

The other problem with the chase holding the toilet off the back wall was that it left the toilet lid unsupported in the up position. I took care of that by installing a pocket shelf on the back wall, that's just low enough to catch the top of the toilet lid. End of problem - and I wound up with a handy place to stash toilet-related supplies, like the spray cleanser with vinegar I use for the urine catcher and the baking soda I mix into the peat moss.

It's also a great place to stow the crank and lid when I'm using the toilet.. No more just dropping them on the floor, or leaning them in the wash basin.....

And by the way, I shouldn't rag on my father-in-law; I was mostly joking. He originally picked this motor home up cheap somewhere and put an ungodly number of hours into bringing it back from the dead, intending to sell it for a profit. Then he decided I needed it because I work away from home - and just flat gave it to me. I've never added up what he's saved me in rent for the last 12 years by doing that, but it's gotta be a bundle.
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Re: Air Head Composting Toilet or Similar Mfg.

I found a source of "bleach-less" commercial coffee filters to line the inside of the bowl with (WalMart about $8 for 200 Melita I think). I have also heard of people who had an old holding tank replaced the pee jug with a hose to the holding tank.
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Re: Air Head Composting Toilet or Similar Mfg.

Quote:
Originally Posted by wolfenzee View Post
Even though I am poor and on a budget, my boat came with a port-i-pottie and that just had to go. The ""proper head" along with through hull, holding tank, etc was gone and was to complicated to replace. I was willing to bite the bullet and buy a new air-head (about $975). But a friend had tried one out in a land setting and it failed miserably, none of the fault was the air head, he just used it wrong in the wrong environment with too many people, etc...so he gave it to me.
The foot print is the same as the port-i-pottie, but it is 6" higher and would no longer fit under the bunk....so I installed a bulkhead giving more places to install shelves and bins and giving me an enclosed head (woohoo).
Congrats, I'd say you made out like a bandit. You should've been wearing a bandanna over your face when you picked it up.

But of course your post is worthless without pic's.....

Reality is that which, when you stop believing in it, doesn't go away.
-Philip K Dick

Last edited by troy2000; 05-01-2013 at 12:53 PM.
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Re: Air Head Composting Toilet or Similar Mfg.

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Originally Posted by wolfenzee View Post
I found a source of "bleach-less" commercial coffee filters to line the inside of the bowl with (WalMart about $8 for 200 Melita I think). I have also heard of people who had an old holding tank replaced the pee jug with a hose to the holding tank.
Don't need coffee filters with a C-Head. It has a low-tech lid that just sets in place in place when the toilet isn't in use. When the toilet's in use and the lid's out of the way, it's a straight drop into the darkness....

Here's a pic that shows the lid I'm talking about. While we're at it, I remember a suggestion I got from someone; I don't remember whether it was here or at boatdesign.net. But he said I should add a fold-out urinal in the cabinet wall under the wash basin, with a drain that tied into the basin's drain. So the urine would mysteriously disappear, just like the grey water does.

Gotta admit, I'm for anything that reduces how often I have to empty pee jugs. But it would be downright embarrassing for someone official to notice that gizmo....
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