Originally Posted by Oakman
Man, I guess I'm lucky that I haven't poisoned myself over all these years of RVing. I have left water in the holding tank for a couple of weeks while the RV was in storage and still drank it. I never drain the filter canister except when winterizing or actually changing the filter, and I only drain the hot water tank when I winterize. I've never had a problem yet and we're on our third fifth wheel. Not trying to insult but I think too many people suffer from germaphobia.
I always drain water tank and only the canister during winterization .
But I also drain Hw tank after every trip.
Unless it's two weekends in a row.
It's a matter of preference I guess.