, the red stuff, is propylene glycol.
Local RV shops got it. Even Target
It's used as is in the bottle, red dye is to show is presence, or absence.
Make sure your fresh H2O tank is empty.
Add the antifreeze
to the water
fill, and when all of your faucets run red, your good.
heaters are a bit different to protect.
Needs a ByPass, in the cold water feed line to the heater. Shut this valve and drain the water heater empty.
Before pumping in the glycol.
You'll save a lot of money
not adding 10 gallons or more to your water heater. If you have one.
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