Black holding tank won't drain past 2/3
After 4 days of camping we have a full holding tank. I open the black valve and hear a rush of fluids for about 1 min, then nothing. Check the tank level inside and it shows 2/3 full. After searchi...
Forum Discussion
I have one of THESE CLEANING WANDS, my guess is that if you allow too much time to accumulate between cleanings the cleaning wand will not work. It is more of a prevention device than a device that will clean up muck that has been allowed to accumulate and harden.
