Common Problems With BioLet Toilets

Written by edriaan koening
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Common Problems With BioLet Toilets
BioLet produces sophisticated composting toilets. (sign for toilet/ unisex. toilet access. portaloo image by L. Shat from

Swedish composting toilet manufacturer BioLet says each American uses 7,665 gallons of water per year on average, just for flushing the toilet. To deal with this problem BioLet produces environmentally friendly composting toilets that require no flushing. Using the latest technology, BioLet aims to make its toilets as clean and user-friendly as regular flush toilets, but not without problems.


BioLet toilets store human waste underneath, making odours a common issue. This problem is especially apparent in non-electric models, which have no fan mechanism to minimise the smell. Even the electric models have complaints of the toilets not processing urine properly and emitting odours.


BioLet toilets tend to result in compost that is too dry. As such, the owner might find it difficult to stir the compost using the stirring rods that come with the unit. Stirring the compost is necessary in composting toilets to allow air circulation for the aerobic organisms that carry out the composting process to survive. If they do not survive anaerobic microorganisms will replace them, slow down the composting process and create odours.

Trap Door

BioLet toilets feature a trap door that hides the compost from view when the toilet is not being used. When someone sits on the toilet, the trap door opens to allow waste to enter the compost. The trap door often presents a problem for men when urinating. Since they don't sit down, men need to perform a little contortion to keep the trap door open.


The New York Times reports BioLet's toilets have to be emptied out about once every two months, depending on usage, which is says is a drawback because of the "gross-out" effect.

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