Compost toilet – now online

Because the winter temperatures had receded, it was time to hook up and start the composting process of our compost toilet. Ironically it was the first item we got for the house (purchased in February 2012) yet one of the last of the houses main features to be installed and running.

The toilet is a Sun Mar 2000 AF NE. This model is a central system which means the holding compartment is separate from the toilet unit. From the attached photo gallery you can see the unit under the house. It is also non-electric using a natural ventilation system and without no electric heating, and flush free, that minimises the amount of water needed.

Fixing the air vent chimney was the hardest job. It has to survive the strong winds we get off the mountains and the yearly typhoons that could hit our area (2 last year) and I also needed to make many of the brackets and pipe joints. To start up the process just needed to add fibre (hemp), microbes (power and spray), and water. Then add waste as and when desired.

So far, so good, but will need to wait a month or more before the composting process is in full swing and compost output starts to appear in the collection tray. Will update the situation when needed.

Final point worth noting is that although we have bags of hemp fibre to keep the system in balance, wood shavings or rice husks are equally as good. When our hemp fibre runs out we will be using rice husks.


About ifd66

From UK and living in Japan. I am very interested in sustainable development and in general ecology and conservation issues and solutions. Finished building a low impact family house in Shiga, Japan in 2013 and am now focused on using permaculture to develop our plot of land into a more sustainable, productive, and attractive space. My hope is that this blog is useful to those interested in similar issues and way of life.
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One Response to Compost toilet – now online

  1. Pingback: Water harvesting and conservation | Shiga Eco house project

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