RV Antifreeze VS Windshield Washer Fluid

I was curious as to which one was better for winterizing. I went to RV Antifreeze after handling regular antifreeze was to much of a pain to dispose of. What I discovered really surprised me. It's -10°F here and I set these jugs out overnight. The Super Tech I bought at Walmart for around $2.50

This premium performance formula provides spot-free year-round cleaning with water repellent technology for improved visibility. It battles all elements including melting frost, snow and light ice, and also removes road grime, bugs, and tree sap from your windshield.

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