How to clean your cassette toilet of a motorhome, campervan or caravan – In three steps

It's important to clean the cassette toilet to prevent unpleasant odours and leaks. The most important thing is to empty the cassette toilet as often as possible, at least once every 2 days and we'll list some other things you can do to clean your cassette toilet.

Step 1: Before departure

First, clean the toilet thoroughly if the camper has just left the storage facility or has not been used for a while. You can do this by completely dismantling the toilet so that you can easily reach everything. Be sure to keep track of which part belongs where. You can find example videos on YouTube. Follow the manufacturer’s instructions to determine which detergent to use. Various cleaning products are for sale at camping shops to clean the toilet bowl and the cassette. Other products that you can use are citric acid, chlorine and cleaning vinegar.
After cleaning, spray silicone spray on the rubber parts to prevent the rubber from drying and tearing.

clean cassette toilet

Step 2: On the road

By regularly cleaning the toilet while you’re on the road, you will spend less time cleaning it afterwards. This will extend the life of the cassette toilet. Use a toilet cleaner to keep the toilet fresh. Pour some of the cleaner into the toilet bowl and let it do its job. Don’t clean with a (hard) brush, because this will cause scratches that will collect dirt. Wipe the outside regularly with a damp cloth. Regularly top up the water tank and discard the old water. Add rinse water solution to keep the tank and water clean. Does the toilet use water from the clean water tank? If yes, then read these tips here on how to keep the clean water tank clean.

clean cassette toilet


A light comes on when the cassette is full, but it’s better to empty the cassette as often as possible at permitted locations. After emptying, rinse the cassette with water (and possibly a little citric acid). Then pour the liquid into the cassette to prevent unpleasant odours and to make emptying easier. Only add the liquid with water through the filler hole of the cassette. How much water has to be added depends on the brand. So you should stick to the dosage recommended by the manufacturer. Some toilets have a water tank. Fill it up after you’ve filled the cassette.

Step 3: Upon returning home

Cleaning can be done in the same way as described in step 1. Clean the hatch that contains the cassette and water tank and check that there are no leaks.

clean cassette toilet

In the garage

Make sure all the water has been drained out of the water tank and the cassette toilet. Dry thoroughly. Leave the shut-off valve open and spray the rubbers with silicone spray to prevent it from drying out.

Do you have any convenient tips on how to clean the cassette toilet? Leave your tip in the comments.


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