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Old 01-15-2012, 11:58 AM   #31
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Re: Composting toilets

Has anyone yet looked over the new Thetford "curve" for use in our vans? I wouldn't need to store one in a low cabinet.
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Old 04-13-2012, 03:25 PM   #32
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Re: Composting toilets

Hello,

We're back with a review of the Nature's Head. We've used it for a month now.

It's working great.

No smell. Emptying the solids bin was fairly easy, not messy, and not stinky. Jeff routed the exhaust out through the floor, which may help further with odor control.
The mixer handle gets tough to turn as the solids bin fills up. We have the compact spider handle, which uses less space but gives less leverage. The toilet bowl stays surprisingly clean for a waterless toilet.

Sphincter control takes some getting used to. You can only do one, um, activity at a time so that solids and liquids don't mix. And guys get to pee sitting down.

Have to use a headlamp when checking fill level on urine bottle. With the translucent plastic, full can look like empty, and overflow is not fun.

The fan is very quiet. We noticed the sound the first few days, and then not at all.

We really like not dealing with a standard blackwater tank. It would be great if this toilet became a standard option in more RVs.
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Old 06-04-2012, 08:59 AM   #33
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Re: Composting toilets

Don't forget the added benefit of having extra fresh water for emergencies in the tank of the Ol Porta Potti .
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Old 06-04-2012, 09:11 AM   #34
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Re: Composting toilets

We second the good review of Nature's Head Toilet from Adventurtrek. We have had ours for a month or so and it's one of the best additions to the vehicle.
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Old 06-06-2012, 10:31 PM   #35
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Re: Composting toilets

So, we have an interesting and messy toilet fail to report. Nature's Head continues to perform well overall. But, we won't make this mistake again.... Feel free to groan and laugh with us.

Problem: The hatch to the solid waste bin flips forward. TP likes to catch against the flipper. At just the right angle, the flipper can push a piece of TP forward into the upper drip bin for the liquid waste.
Catching the problem early: Liquid waste should drain immediately. If there's a dripping noise 5 minutes or more after use, then there's a blockage. An uncoiled coat hanger, etc, can poke the TP down and then things will drain.
Our mistake: Didn't want to deal with a messy job, and figured that the flimsy TP would dissolve in a few days.
What happened: A really messy job. The TP blockage remained. Urine would drip through the TP slowly. So, a urine hyperconcentrate built up above the TP blockage. The van started smelling like a hospital bed, and then we knew something was wrong. Opened up the toilet to figure out the problem. With the top open, the stuck urine hyperconcentrate dripped out from above, all over the bathroom area. Yuck! Had to super-clean all the nooks and crannies. Used the coat hanger to fix the stuck TP, then threw it away. Some liquid got in the solids bin. Following manufacturer's instructions, we added more peat to the solids bin to absorb the liquid. Hoped we were done. 2 days later: solids handle wouldn't turn. We didn't add enough peat, and the moistened peat had turned to poo-crete. Took a stir stick and much beating to get it emptied out. One of the more unpleasant house chores ever.
Still love our Nature's Head. But won't make this mistake again.
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Old 06-07-2012, 08:33 AM   #36
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Re: Composting toilets

Will be checking mine today, slowly......
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