Winterizing black and gray tanks
Hi Folks. 'Been RVing for a dozen years in the freezing north, and never really worried about this, or seen anything written or found searching. Do you think the black and gray should be completely dr...
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Under ideal circumstances I would dump - but that's not life in my world. I put a jug of pink in both tanks and have had no issues for 20+ yrs. My black water tanks is mostly pee which is tough to freeze even without the pink stuff.
