How To Make A Compost Toilet Not Smell

Many people are worried about the smell of a compost toilet, but in reality, a well-built and maintained toilet should not have any odor. If you’re going to be purchasing materials from someone else, you must get advice on how to build your system so that everything will work properly. 

A Compost Toilet with Toilet Paper

What Is a Compost Toilet? 

The compost toilet is where solid waste is converted into toilet waste compost Using a dry air processing system.

Compost toilet devices are now available in the market, and many also make DIY methods

After using the compost toilet device, the waste is stored in the enclosed container and automatically converted into compost. No harmful chemicals are used to decompose the waste, so they are environmentally friendly.

 Types of Compost Toilet

Compost toilets are often divided into two categories. The following information has been provided below:

1. Split Systems

These types of composting toilets are somewhat larger and divided into two parts. The top section has seats, while next to the bottom section has a large tank built separately below the toilet.

All waste goes through the composting process and is stored in this tank. Split Systems Toilets are installed in a large space, and the tank is also large; So many people can use these every day. Periodically, the tank’s accumulated debris is cleaned out when required.

2. Self Contained Systems

Self-contained units are an all-in-one system with portable compost toilets small in size. No extra space is required to use this toilet. It is usually used for camps or tours purpose. A self-contained compost toilet is different from a regular toilet in that there is no need for water.

The unit contains a composting chamber, an airtight cover, and a waste disposal unit—the user steps on a pedal to start the composting process. When the cycle is complete, the waste disposal unit releases a foul odor that clears with time.

7 Tips for Make A Compost Toilet Not Smell

A compost toilet is a great way to reduce your environmental impact, but it can be tricky if you don’t know what you’re doing. Making a compost toilet not smell is understanding how they work and following some basic guidelines. 

If you are looking for a way to compost your waste without worrying about the smell, you may consider building a compost toilet. It is an easy process that the composting toilet has two containers: one for the solids and another for the liquids. 

1. Check That It Is Installed Properly

Before doing anything else, ensure that your compost toilet is installed properly and the bins are level and fitted tightly against the unit’s wall. 

Also, ensure enough airspace between the bin and door to allow proper ventilation. If everything looks kosher and you still smell an odor from your composting toilet, it may be because something isn’t working properly. In that case, you need to contact a professional who has enough knowledge about how to make a compost toilet not smell.

2. Low-Quality Compost Toilet 

If you’re using a low-quality compost toilet, likely, the solids will not break down, and the smell will be persistent. To ensure your composting is effective, use a high-quality bin with good ventilation and fit it snugly against the unit’s wall.

3. Overloading the Compost Toilet

Make sure that your compost toilet is not overloading. Overloading the bin will cause it to become smelly and, of course, difficult to function correctly.

The recommended limit for a composting unit is one cubic yard of material per day; any more than that, you’re likely overloading the system. Make sure that you know how much material you’re putting into each bin.

4. Manufacturing Defect

Stinky odors can often cause problems in the compost processing system due to manufacturing defects of the compost toilet or any device. If possible, check yourself carefully or send it for servicing.

5. Too Much Moisture

When using a composting toilet, it’s important to maintain an even moisture level. Too much moisture will cause the system to overheat and produce an odor. Check the condition of your compost bin regularly and make sure that there is sufficient ventilation to keep the area dry.

6. Properly Clean

Compost toilets need to be cleaned hard every few months and regular care. Otherwise, bacteria or mold can cause a bad odor. So you should pay attention to cleaning the compost toilet properly. Cover the compost toilet with a tarp to avoid dirt and moisture if the compost toilet is not being used.

7. Add Supplement: Sawdust, Coconut Coir, or Peat Moss.

Adding sawdust, coconut coir, or peat moss will help break down the solids in your compost. If you’re noticing an odor from your composting system, it may be because of a lack of these additives.

Composting Toilets Pros and Cons 


  • A compost toilet can help reduce your water consumption.
  • There is no significant environmental impact from using a compost toilet. Turning human waste into the soil helps break down the organic matter and reduce the number of harmful chemicals released into the environment.
  • The compost toilet has very little maintenance involved.


  • If the toilet isn’t kept clean and well maintained, bacteria will breed too rapidly and cause the smells.


Can You Pee in Your Composting Toilet? 

No, you can’t pee in a composting toilet. Instead, you can use the facilities located on the outside of the unit. The process will not be completed properly if your compost toilet is wet, which causes odor.

How Deep Should a Composting Toilet Be?

A composting toilet should be at least 2 feet deep to aerate the material and reduce odor. And if you use a compost toilet device, there is no reason to worry about its depth. Device manufacturers make these through thorough and practical research.

How Often Does a Composting Toilet Need to Be Emptied?

A composting toilet needs to be emptied about every three months or so to prevent the build-up of odors and diseases. In the case of portable devices, you can read the instructions (Because different devices have different durations).

Can You Use a Composting Toilet in an RV?

Of course, these are mostly used for tours or campaigns. Most RV owners feel comfortable using it.

Can You Use a Composting Toilet in an Apartment?

There are no set rules that need to be followed; Many are already doing it, and you can also do it.


A composting toilet is a great way to reduce the environmental impact of your waste while improving the organic matter in the soil. It’s easy to use and has very little maintenance, making it a good choice for apartments, RV owners, or others.

Thanks for reading! If you’ve found this blog helpful, we would appreciate it if you share it with your friends or like and follow our Facebook and Twitter pages for more updates. Suppose there are any tips or tricks about composting that you would like to share. We would love to hear from you! Thank you for being with us.

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