tanks
If you have a full hook up do you leave tanks open or close. Hubby said I am wrong I say both should be closed till full for persuit to empty need to win this one. I really think I am right, help me o...
Forum Discussion
You win! It is ok to leave grey open but it's better not to. Never ever leave the black open. Even if you have to dump the grey more often it's no big deal.
