Frequently Asked Questions and Quick Answers

Does it SMELL bad?

No. The separation of the urine from the solids is the key to no odor. When working properly it will have a slight earthy smell.

Where do I empty it?

Urine is great for mature trees, or can be diluted for plants. Ideally, the compost section would be emptied in a compost pile or bin. If traveling, it can be disposed of in a bag or buried.


When the trap door is closed, the urine from anywhere in the bowl will flow to the bottle. When the trap door is open, a person is sitting, and the urine will still divert to the front.

Do Nature’s Head toilets require any sort of SUBSTRATE to process the waste?

Yes. Either organic sphagnum peat moss or organic coco coir will work well. Composting requires aerobic bacteria to work. An aerobic organism survives and grows in an oxygenated environment. Oxygen is the key ingredient that allows aerobic bacteria to break down waste quickly and without odor. Mixing in either the sphagnum peat or coir breaks apart the feces to allow the aerobic bacteria to get it’s oxygen. Without oxygen, anaroebic bacteria will thrive, and this will break down to compost, but at a significantly slower rate, and will produce a smell.

Why is the TOILET SEAT MOLDED INTO the unit?

This toilet seat is much simpler to clean. Additionally, this seat is sturdier, it won’t crack or break. Because we designed this toilet for the �mobile� market, this became a safety issue. I have spoken with boaters who have had a toilet seat break off in rough conditions. With some toilets, boaters have lifted the seat to sit on the base of the toilet to avoid this problem. (That can�t be comfortable). While this isn�t as likely with an RV, it would not be out of the question.

Can I use it STANDING UP?

You can stand to urinate, but is recommended to sit. There is not a lift up toilet seat, so males should be conscious about not leaving liquid on the seat.

Do I need to RUN THE FAN all of the time?

If using the toilet full time, using the fan full time will enable the compost to process faster. If you are NOT going to be using the toilet for 10 days or more, unplug the fan, as the compost would tend to become too dry and hard. Do empty and clean the urine bottle before leaving.

HOW MUCH POWER does the fan use?

The fan draws 1.7 amps in 24 hours. For household current this power use equals about 4 CENTS per month.

What color is it?

The color of the toilet is “white granite”.

What is the WEIGHT of the unit?

The gross empty weight is 28 pounds.

What are the DIMENSIONS of the unit?

At the widest part, the toilet is 19 inches. Other dimensions are: 20 inches tall, 17 3/4 inches front to rear, and 13 inches wide at the base. The toilet is 16 1/4 inches wide at the seat. 

Will FREEZING TEMPERATURES damage the toilet?

Empty the urine bottle. The compost and toilet will be unharmed in freezing weather.

Does composting work in COLD CONDITIONS?

Composting works from 55 degrees and warmer. The warmer it is, the faster it compost. When the temperature drops to freezing, the compost will be dormant until heat is introduced into the area.

Can i put VEGETABLE SCRAPS in the solids bin?

No. Vegetable scraps may retard the speed of breaking down the solids. Additionally, disposing of them in the solids bin will cause the bin to fill up prematurely. Use only sphagnum peat moss or coconut coir.

Can the toilet be used in a BASEMENT?

Yes it will work fine in a basement and any room or closet where a toilet is required.

Can it be used on a boat or RV with a WET BATH (shower in the head)?

Yes. Make sure that the mounting brackets are well sealed to prevent water from entering the bilge. You will also need to drill a hole in the urine tank holder to drain any water from it, or cover it when you shower. Please call us for additional help when you are ready to install.

What kind of TOILET PAPER must be used?

Any kind of toilet paper will work, however single ply paper breaks down quicker. Many single ply papers are approved for septic tanks.

Is it ok to dispose of TAMPONS in the bin?

We do not recommend this. Many brands of tampons are made from a mix of rayon and non-organic cotton, and are commonly chlorine-bleached. These will not decompose. Organic, 100% cotton tampons will compost, but will take a significant amount of time.

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