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How to Make a Compost Toilet with a Wheelie Bin

Compost toilets are extremely efficient and don’t use any water, unlike flush toilets which use 30,000-plus liters of water per person each year. Instead, we can turn humanure into a sustainable waste system. Compost toilets can be made with materials found just about anywhere.



For a wheelie bin toilet, begin by drilling a hole at the bottom of the bin to attach a ball valve that will allow you to drain any surplus liquid from the bin. A filter can be created with a piece of pipe and some shade cloth fitted inside the bin, opposite the exterior valve.



In order to aerate the compost, measure the corners of the wheelie bin and cut typical pipe in half to fit in the corners of the bin. The pipe should also have slits cut every few centimeters to allow air to reach the compost at all levels. Then, the pipe can be strapped into the corners of the bin.


Next, cut a piece of metal grill to fit within the pipes down to the bottom of the bin. That should be wrapped in a piece of shade cloth at least twice.


Then, get a second lid and cut a hole in it to allow the waste deliver pipe through. When the bin is full, the original lid will be used to seal it up for composting, and a new wheelie bin will be the active compost bin.


This is one of the most ethical ways to make a compost toilet that is safe and efficient with sensible materials. In less than a year, it turns humanure into a valuable commodity.



Key Takeaways

Dry composting toilets are a safe, efficient way to handle human waste, and they can easily be made with upcycled materials.

A wheelie bin toilet needs a valve at the bottom to drain away any excess liquid.

It needs slotted pipes moving vertically along the corners and a metal grate along the bottom to aid with aeration.

The bin should keep its original top to seal off the full compost bin, while a second lid should be fitted to allow a waste deliver pipe into the bin.

This is an ethical way to handle human waste with sensible materials.



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  1. I am interested in this wheelie bin for humanure and the instructions are clear but I don’t understand how you could place a dry toilet bowl on top op the wheelie bin and be able to climb on to it to use. It would be much too high, also houses don’t have deep spaces under the floor where the bin could be lodged. Are you supposed to build this on a slope because you do need to wheel the bin away from under the toilet bowl when it is still not to heavy to pull out and trundle away.
    Also there was no link in my article that could open Geoff’s instruction video.
    Thank you for reading.

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