Do Ice Cubes in the RV Black Tank Really Work?
Do ice cubes really work? http://www.youtube.com/watch?v=iH6acEmqvcw&feature=youtu.be Richard
Forum Discussion
It worked for us. Our black tank indicator was stuck on full for some time, even though it was empty. So we tried a bag of ice before a 400 mile drive, and now the sensor reads correctly.
