I've been using it for a couple of years, never had a problem.

Back in the '90s, before RainX washer fluid, the blue stuff always boiled out of my '91's washer bottle also. Mostly in the summer, and it got worse when I added Water Wetter to the radiator (no kidding).

I wasn't aware of washer fluid that didn't use alcohol to lower its freezing point, is there another kind? The alcohol-blend has been used for at least 50years.

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Gone to the dark side

- Jeff