Community Forums

chevyrod · 10-26-2005, 09:25 AM

I plan on parking our 5th wheel at a hunting site which will also be winter storage. This will be very limited use and all systems eventually will be winterized/drained except for the black water tank. Is it ok to add some RV antifreeze or coolant antifreeze to the black tank for winter protection?

chevyrod · 10-26-2005, 09:25 AM

I plan on parking our 5th wheel at a hunting site which will also be winter storage. This will be very limited use and all systems eventually will be winterized/drained except for the black water tank. Is it ok to add some RV antifreeze or coolant antifreeze to the black tank for winter protection?

chevyrod · 10-26-2005, 01:05 PM

Sorry maybe I didn't make myself clear. All tanks EXCEPT the blackwater tank will be drained. I was hoping to just add some antifreeze to the blackwater tank to prevent freeze damage, and then drain in the Spring

troth · 10-27-2005, 01:45 AM

Just adding antifreeze to the contents in your black tank will only dilute the antifreeze. Yes it will lower the freezing point somewhat, but it would take a lot of gallons of antifreeze. Your black tank should be drained for winter storage. Sounds like you oughta consider buying one of those blue waste tanks on wheels.

charliez · 10-27-2005, 12:08 PM

Why would you drain everything except the blackwater? You do know what's in there? Dump it and there ain't nothing to freeze.

Hitchhiker · 10-27-2005, 02:26 PM

I always drain the black tank for the winter and then leave the slide valve open so air can get inside to dry it out. To keep bugs and snakes and other critters out of it, I made up a makeshift screen cover for it using a spare sewer hose fitting, a piece of screen, and a big hose clamp.

chevyrod · 10-28-2005, 03:01 AM

The reason the black tank won't be drained is that are no dump facilities available where the trailer will be parked. I can get by with draining a couple gallons of grey water though. Like I said, this is very limited use scenario very late in the season.

charliez · 10-28-2005, 10:56 AM

Are you intending to use it while winterized? If so, get a portapotty and take it home/empty it somewhere and leave the black water tank alone.

How could you use it anyway if the fresh water and system are winterized?