Good Sam Community

Who has an antifreeze inlet on their camper and how do you use it? Do you have to have another pump to pump the antifreeze in or what?

I have a small travel trailer and have set it up with (2) 6-volt batteries for drydocking. When I arrive to a destination and the batteries are fully charged, we do not use much electricity and the batteries will remain charged for about 5 days. I wi...