RV owners beware: The revolting reality of cassette toilets – are you prepared to handle it?

RV cassette toilets can be a convenient solution for those who enjoy traveling and camping, but the dirty truth is that they can also be incredibly gross. From the foul smells to the mess and hassle of emptying them, cassette toilets can be a real headache. Keep reading to learn more about the revolting reality of cassette toilets in RVs, and how to properly deal with them.

Do You Know What You Are Pouring In?

The chemicals found in RV toilets are typically designed to help break down and deodorize waste, control odors, and keep the toilet clean. Some of the most common chemicals found in RV toilets include:


  1. Formaldehyde: A strong chemical that is commonly used in RV toilets to disinfect and deodorize waste. However, it can be harmful to the environment and may also cause irritation to the skin and respiratory system.

  2. Enzymes: These natural biological agents are used to break down waste and toilet paper in a more eco-friendly way than formaldehyde. Enzyme-based treatments are a popular alternative to formaldehyde-based products.

  3. Biocides: These chemicals are used to kill bacteria and prevent the buildup of harmful pathogens in the waste tank.

  4. Surfactants: These are used to help dissolve waste and toilet paper, making it easier to empty the tank.

  5. Fragrances: These are added to the chemicals to mask any unpleasant odors and leave a pleasant scent in the RV.

It’s important to note that some of these chemicals, such as formaldehyde, can be harmful to the environment and should be used with caution. It’s also important to follow the manufacturer’s instructions when using RV toilet chemicals to ensure proper usage and safety.

Cassette Toilets Were Supposed to Be Better.

Since the early days of RV living and traveling, they needed to solve the sanitation issue. That is where you see toilets hooked up to water and a black tank that you can pump out your waste in a dump station. Problem solved, right? Nope, it is disgusting and costly. The waste that accumulates in the black tank can produce unpleasant odors, and if not emptied regularly, can also lead to backups and other plumbing issues.

One of the biggest challenges with black tank toilets is the buildup of solids and paper products that can clog the tank or create blockages in the plumbing system. This can lead to unpleasant odors and even cause the toilet to overflow. In addition to the odor and plumbing issues, a black tank toilet can also be unpleasant to clean and maintain. Emptying the tank requires wearing protective gear and taking precautions to avoid spills and contamination, which can be time-consuming and messy. So, we see a shift to cassette toilets.


Cassette toilets are commonly found in RVs because they are compact, portable, and can be easily removed and emptied. They are a popular alternative to traditional RV toilets that require a black water tank, which can be more difficult to empty and maintain; they require less water to operate than traditional RV toilets, which can be beneficial for RVers who are traveling in areas where water is scarce or expensive. But they still are a problem child instead of the solution, using about a gallon of water a day or more just for flushing. If you are truly needing to conserve water, a dry flush toilet is your best option.

What is the Best RV Toilet Option?

Overall, a composting toilet can be a great option for RV living because it is eco-friendly, low maintenance, compact, and odor-free. It is important to choose a model that is designed specifically for RVs, as these models are designed to handle the unique challenges of RV living.

A composting toilet can be a great option for RV living for several reasons:

  1. Eco-Friendly: Composting toilets are an environmentally friendly option because they do not require water to flush waste, which helps to conserve water. Additionally, they turn waste into compost, which can be used as fertilizer for plants instead of being dumped in a landfill.

  2. No Plumbing Required: Composting toilets do not require any plumbing connections, which makes them a great option for those who want to live off-grid or in areas where plumbing is not available.

  3. Low Maintenance: Composting toilets are relatively low maintenance compared to other types of RV toilets, as they do not require emptying as frequently and do not produce the unpleasant odors that black tank toilets can.

  4. Compact and Portable: Composting toilets are available in a range of sizes, including compact models that are ideal for RVs. They are also portable, which makes them easy to move and install in different locations.

  5. Odor-Free: Composting toilets are designed to minimize unpleasant odors, and many models include ventilation systems to ensure that the air in the RV remains fresh and clean.

Compost Toilets

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