How to Clean Your RV Tank Sensors

Your water tanks are the lifeline of your RV and your RV tank sensors allow you control over them so keeping both clean and functioning is important.

However, while many RVers make it a habit to clean their RV water tanks, most don’t even know that keeping the sensors clean is just as important. Avoid potential sensor problems and clean them regularly so they’ll serve you for a long time.

Tank Sensor Problems
RV holding tank sensors frequently fail to read accurately. This can occur for a variety of reasons but the most typical cause of false readings is a dirty tank. Waste, grease, food particles, and toilet paper can stick to the sensors or on the tank walls. When this occurs, the monitor panel will report a full tank even when it actually isn’t.

If you dump your tanks and the sensors still suggest a full tank, it’s time for a deep clean.

Cleaning with Dishwashing Soap
First, make sure to use a dishwashing soap made for automated dishwashers. Dishwasher detergent will not bubble up. You don’t want to use a sudsy soap because it will most likely bubble up in your tank.

Dishwasher detergent also has powerful softening agents in it. These will aid in the breakdown of grease and oils.

Then fill your grey water and black water tank, or your freshwater tank to about half or up to the affected mounted sensors. Add about a cup of dishwasher soap to your holding tank.

Drive around in your RV. The motion of the motor will agitate the detergent combination and clear your gunked-up sensors.

When you regularly clean your tank, you’ll eliminate full or empty inaccurate readings and make sure your sensor works all the time.

Cleaning Black Water Tank with Wands
You can use a tank cleaning wand to clean the sidewalls of your tank. A tank cleaning wand, typically used to clean a black water tank, can be used to spray high-pressure water inside the tank.

It’s easy to clean your tank with a cleaning wand. After emptying your tanks and connecting the wand to a freshwater source, insert the wand into your RV toilet by flushing the lever down.

Begin cleaning at the bottom and work your way up, keeping the cleaning wand running at all times.

If you haven’t cleaned your tanks in a while, you may need to fill, dump, and repeat to ensure that all of the water flowing out is clean.

Cleaning with Enzymatic Cleaners
Using an enzymatic cleaner to clean any type of sensor is easy and fast. With an enzymatic tank cleaner, waste is broken down into smaller bits and flushed out when you dump your tanks. This prevents clogs and sensor problems. Also, because these cleaners often contain deodorizers, they help eliminate bad odors.

Using an enzymatic tank cleanser regularly is a simple way of maintaining your tanks, avoiding waste buildup, and getting accurate readings. After each dump, simply add the cleaner to the tank.

If you need cleaning tools for RV tank sensors, visit They offer all kinds of RV cleaning equipment as well as accessories at affordable prices. Drop by their website today.

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