Questions & Answers

How often do I need to empty the humus tray?
With continuous use, you will normally need to empty the humus tray every four to six weeks. In a summer cottage, this means once or twice per season.

Is the compost ready to use right away?
If emptying takes place before the start of the season in spring, which is most common, you can empty the contents of the tray directly onto your flower beds. (If you empty during the season, you may need to compost the contents of the tray further, before spreading it on your garden. To be on the safe side, contact your local authority to find out about local regulations.

How can a tray so small last for such a long time?
That's what's so great..
Because the liquid evaporates and the waste composting while it’s running, the decrease in volume is huge. What you empty usually ends up being only 5-10% percent of the original volume.

How do I avoid odours?
Correctly installed, there will be no odour in the room where the toilet is located, regardless of whether the toilet is switched on or off. Correct installation is vital for odour-free operation.

Does it give off smell outdoors?
Yes, that can occour but if you get the ventilation pipe over the ridge of the house, you’ll not experience that smell under normal weather conditions.

What’s the most important part of the installation?
What’s most important is to always follow the simple instructions carefully, because the installation does affect the capacity of your BioLet/Mulltoa.
The space of which you install your toilet should hold at least 18°C. The laying of the pipe is also important, because the liquid should to evacuate. That’s why you should never use too sharp or too many bent pipes and always keep insulating in mind when laying pipes occurs outside of the toilet area. Uninsulated pipes and sharp bends will hinder airflow which in turn affects the capacity.

Why should I turn my toilet off when I’m leaving for more than two days?
In order to retain the moisture content as long as possible, even during periods when it is not in use. This aids the composting process and also saves energy.

How much air does the toilet need?
The evacuation amount is approximately only att 20-25 cubic meters per hour, but it’s important to have ha wall valve through the outer wall that accommodates the supply of air.

Can I use a shower in the same space?
It’s completely fine to have a shower in the some space. Just think about not having another fan in there, let the BioLet/Mulltoa evacuate all the air in that space.

Should the ventilation pipe go through the roof or out the wall?
As long as you fulfill the installation requirements for your toilet, both of the alternatives works great. To go though the roof does however come with big advantages from a ventilation perspective, since you get minimal resistance for the air.

Do you need specific toilet paper?
Not at all, use the paper you’re comfortable with.

Does the toilet handle standing cold?
Yes, when the toilet is not in use, there are no problems if the temperature in the toilet room falls below zero.

Do you need some kind of permission to install a BioLet/Mulltoa?
All installations regarding toilet solutions demands contact to be made with Environmental & Health protection services in your area. This also includes installation of BioLet/Mulltoa. BioLet/Mulltoa is approve by all Swedish municipalities.

Can you install it yourself?
Yes, you can. You’re required to have a grounded outlet, the rest of the installation is fully possible to do by yourself. Just think about following the instructions, point by point.