You need some water in the tanks to help clean off.
Rv tank sensors cleaning.
Obviously you aren t going to be able to climb into the tanks to clean the sensors yourself so you are going to have to send some soap in for you to do the job.
The best way to clean rv holding tank 1.
Thoroughly cleaning your rv black water tank.
The first step to thoroughly cleaning your rv tanks is of course to drain them even if they re.
Be sure the tank valve is closed and then fill it about 1 2 way with water.
Refill the tanks a third of the way with fresh water and add soap.
The gel type is easy to flush down the drain and goes right to work breaking down and dislodging greasy build up.
Fill your tank with water.
Periodically purging your black water tank and cleaning it will help reduce chances of a sensor malfunction.
Cleaning out the gray tank and sensors is a really simple task since there s a readily available liquid designed to break up all of the crud that can build up in the tank.
Add 1 2 cup of dishwashing detergent as you would add to a dishwasher.
Somewhere around a half a cup of detergent should do the job.
Add a small amount of dish detergent to both your toilet and to the kitchen sink.
Use dishwashing detergent and ice cubes and drive around.
Before you go to bed close your gray tank valve.
Any of these substances can leave hard to remove residue on the sides of the tank and on the sensor itself.
That way you ll be able to clean it.
If the problem is bad enough it could cause the black water tank sensor to fail or send a misreading.