composting toilet

DayBreak · Posted: Sat Mar 22, 2025 10:27 pm Post subject:

Hi Brats,

Thought to bring up this thread because we are considering buying this Portable Composting Toilet for our 23 Venture. https://mytrelino.com/collections/composting-toilets/products/trelino-evo-m-portable-composting-toilet For 22 and 23 C-Dory owners, I am thinking it would be a great option over the traditional Porta-Potti but it is kind of spendy and we are hoping to have a C-Brats review of anyone out there who is using one. Are odors or other issues a concern? We currently use two of the smaller Thetford Porta Potti units, one for solids and one for liquids. We have this system down and it is working well but for the convenience to empty solids more easily, we are considering making this purchase. We use our Porta Potti units in the aisleway of the cabin and store the units under the forward berth cushion when not in use. Any recommendation would be helpful. Thanks Brats. Gary and Colleen

ssobol · Posted: Sun Mar 23, 2025 11:27 am Post subject:

The Trelino toilet is not a composting toilet. It's basically p**ping in a bag. You have to figure out how to store the used bags. I have seen postings where the biodegradable bags sold by Trelino can start to break down if you store the used bags for too long. Kitchen waste bags hold up better.

There is a urine diversion that is separate container.

You can accomplish the same thing with a Home Depot 5-gal bucket and the toilet seat lid they sell. Use a 1 gal milk jug for urine.

Something closer to a composting toilet is an Air Head or Nature's Head toilet. But these are really desiccating devices, not composting. They need to be ventilated and there can be odor while the desiccation is happening.

True compositing requires the right sort of bacteria and can generate a fair amount of heat.

Note that there is nothing wrong with p**ping in a bag. For some users this might be an acceptable solution. Just be aware of what your are getting yourself into. FWIW, I am considering getting a Trelino toilet for a camper van I am building. But I expect that this will be for infrequent and/or "emergency" use.

Tom Hruby · Posted: Sun Mar 23, 2025 4:25 pm Post subject:

Dealing with a porta potty or other kind of toilet on a small boat like the 22' can be a chore and the smells are never masked adequately. It mostly the smell of the solutions one has to put into the porta potty. Using a plastic bag works well for us. There are a number different designs (called camping toilets or geriatric toilets) that use plastic bags that can then be sealed up and disposed. To avoid leakage problems and to help gel the waste we use the product they use in disposable diapers (sodium polyacrylate). It is available in bulk and can be spooned into the bag. This also help adsorb some of the smell. Since the waste bags don't need harsh chemicals I also like to add either camphor or tea tree oil as natural deodorants.

DayBreak · Posted: Mon Mar 24, 2025 2:58 pm Post subject:

Good information from ssobol and Tom. Thank you.

I also received PM information from a Brat who is happy with his Trelino Evo M toilet. He also provided a video with the link below from a van conversion company showing and explaining the difference between many of the different portable toilet models on the market. The video is a bit long but very informative.

In the video, I am thinking that either the Trelino or Trobolo models look good, offer adequate storage and would store and operate well on a C-Dory.

DayBreak · Posted: Mon Mar 24, 2025 3:30 pm Post subject:

....sorry Brats, here is the correct video. https://www.youtube.com/watch?v=qqMiFu4HI28

DKennaC25 · Posted: Mon Mar 24, 2025 7:06 pm Post subject:

I binged read all their posts. They did a composting toilet and were very happy .

https://daydreamsloop.blogspot.com/2017/11/crystal-river.html

Donald Tyson · Joined: 24 Jul 2023 Posts: 461 Photos: Thistle

There is another type that is not mentioned in that extensive video.

Donald Tyson · Joined: 24 Jul 2023 Posts: 461 Photos: Thistle

There is another type that is not mentioned in that extensive video.

We use this at our off site barns and properties and also in an RV. lift the seat, remove the lid. Do your business in the plastic bag lined bucket, and cover lightly with the pine pellets. No Pee Bottles, no ugliness, No odor. Good for 3-5 days with a small family. No odor. At the next stop, double bag it and toss it into a dumpster/trash can. no mess. no looking at your mess. Bag of pellets is $7. Roll of 80 bags cost 10-15 dollar.