This compact underfloor composting chamber is designed to fit underneath many houses, but has the capacity to service a family home.
The chamber includes a built-in rake and thermometer to help you manage the degradation process from outside. It’s suitable for people wishing to build their own composting toilet system at home, optionally complementing our pedestal and chute.
The 365 litre chamber should handle many months of continuous use before it needs emptying, however it will vary by household.
Evening out or turning the pile underneath the chute will increase capacity and improve composting. We’ve included an internal rake with an external handle which allows you to do so from outside.
Depending on how it is managed, composting may not proceed entirely within the chamber. We recommend using the access door to periodically empty humus from the bottom into an external composter. Many people combine this secondary composting process with their vegetable and garden waste, and allow it to break down for a longer interval.
- High-quality gloss finish
- Robust GFRP construction (handmade)
- 365 litre capacity
- Internal rake to even out the compost pile (exterior handle)
- Sliding access door
- Collar to attach drop chute
- Drain fitting
- Other modifications available upon request
The unit is boxed but too heavy for delivery via Australia Post.
Pick up is recommended, although we can arrange a courier service if preferred.
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Will it be approved by my local council?
We’ve summarised the local government approval process in NSW for your information.
What size chute fits?
Please refer to the specification diagram for details. The outer diameter of the chute should be 250 mm, to ensure an airtight fit with the collar.
General composting toilet questions
How much waste is produced?
The average human produces 125 g of solid waste per day. In a four-person household, that’s half a litre every day, continually breaking down as it decomposes.
Will it smell?
If the variables of the system are managed correctly (heat, water content, bulky additives to prevent compaction) then no, the compost will not smell. Ventilation fans are available to further assist.
How long does the composting process take?
It depends on those variables (primarily temperature), but anything from weeks to months. Finished compost is like humus, a dry earth-like substance that is rich in nutrients.
What can be added to compost?
All organics are fine to add, from vegetables to garden waste. Just make sure the compost doesn’t get too wet, too dry, or too compacted. Some people add worms, a process called vermicomposting.
How can I use it when it’s finished?
There’s a lot of information out there on which plants are most suitable to fertilisation by compost but all areas of your garden will benefit, although you may not wish to use it for growing food.
Is it really safe?
Yes. It is recognised by the World Health Organisation as a viable method of managing human waste. If the conditions are right, the composting process will eliminate the pathogens in your waste. In an absolute-worst-case scenario, if your compost is only for personal use: you could only catch something you already had.