Black tank- dump it or leave it?
Our TT usually stays on a permanent site, which we visit every other weekend or every 3rd weekend. When we depart on Sundays, I usually fill the black tank up with water, since it's nowhere near be...
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Use plenty of water and you can dump when it's convenient. GOOD idea to do as you are doing though because what you want to avoid is dumping a tank with less than about 3/4 full. That is where you get clogs. Be sure if you dump and leave the RV, put a few gallons of water back in while it's not in use of THAT will build that mound of mineralized materials that causes a clog.
