Do I Still Need To Winterize Travel Trailer When Sitting During Winter In Florida?
Published 10/20/2025
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Question:
I’m in Florida but still want to winterize my travel trailer when it sits for months. Do I even need antifreeze down here?
asked by: Karen
Expert Reply:
Karen, probably not unless temps dip below freezing for extended stretches. But a light flush with the –50°F # PG56ZR gives inexpensive protection and keeps your lines from freezing if your rig sits unused.
If you also want to keep your seals and fittings conditioned, the glycerin-free # PG36ZR is the better choice. It is alcohol-free and does a nicer job protecting rubber components during storage, so I recommend using this in a light mixture.
If you decide not to go this route, at minimum I would drain and clean/disinfect all plumbing and systems each season.
Do you store under cover or out in the open?
Product Page this Question was Asked From
Prime Guard RV & Marine Antifreeze -50°F Burst Protection - Ethanol-Based - 1 Gal - 6 Jugs
- RV Fresh Water
- Winterize
- Antifreeze
- Prime Guard
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on RV Fresh Water
Karen
10/20/2025
It’s stored outside under a metal carport, so it still gets pretty warm and humid. Would using the glycerin-free mix help with that too, or is that just for cold protection?