Is The Prime Guard Premium RV & Marine Antifreeze Propylene Glycol Based?

Question

Question:

I want to know if this is PGlycol? Ive read its the best product but I dont see that written on the jug?

asked by: Steve K

0

Expert Reply:

Hello Steve, thanks for reaching out. Yes, the Prime Guard Premium RV & Marine Antifreeze # PG96ZR is propylene glycol (PG) based. It is great for freeze protection, but is also safer for your RV, and safer for the environment compared to alcohol or ethylene glycol antifreezes.

What kind of camper are you winterizing? That time of year is fast approaching!

expert reply by: Jesse M

0

PG96ZR
(click to enlarge)

Steve

11/11/2025

We recently purchase a 24 InTech Navigate! We had them winterize it while in warranty service at Blue Compass RV in New Mexico. We plan to use it here in Texas when we get it home so we will need to winterize again. Some say to fill up everything with antifreeze the drain and blow it all out again???

Jesse M.

11/11/2025

@Steve I guess you could do it that way to really cover your bases but typically if you blow all the water out of the lines then do your antifreeze that would be sufficient. That Prime Guard antifreeze is good for -100 so even if it does end up slightly diluted, it should leave you with plenty of protection in the Texas climate. I know they can get a bit of winter down there but typically it would not be extreme cold.

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Is The Prime Guard Premium RV & Marine Antifreeze Propylene Glycol Based?

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