How much methanol is in windshield washer fluid?

I have seen many people list a wide variety of numbers on what the percentage of methanol is in the blue juice (washer fluid). I searched just about every company out there, and found out that regardless of the brand, the methanol percentage was consistent for whatever the temperature range was

SPLASH On Tap Methanol Bulk Windshield Washer Fluid Dispenser

Get your windshield washer fluid here : r/Rivian

All Windshield Washer Fluids in Windshield Washer Fluids

Welcome To Deep Blue Instructions and Mix Chart

50/100 Pc Windshield Washer Fluid Car Windshield Washer Fluid

Champion windshield washer & de-icer is formulated with the latest technologies to outsmart the elements and provide you with the ultimate visibility for safe and confident driving. Product is formulated for freeze protection down to -20 F. Provides superior windshield cleaning. Removes frost and ice fast. Leaves a streak-free shine. Prevents refreeze on windshield and wiper blades. For use in warm or cold weather. Gallon bottle.Size: 1 Gal.Temperature.

Champion Windshield Wash & Deicer - 1 gallon, 128 fl oz

Windshield Washer Fluid Code Cracked! = water + ethanol

Is windshield wiper fluid safe to use in the cold?

Easy Formula for DIY Windshield Washer Fluid – Practical Mechanic

DOKIKO 50 Pcs Car Windshield Washer Fluid concentrate Tablets,Windshield Wiper Fluid,1 Pack Makes 52.5 Gallons,1 Piece Makes 1.05 Gallons(Winter: Use With De-icer or Methanol) : : Automotive

Washer Bottle for Methanol Injection

How to Fill Windshield Wiper Fluid

WATER METH VS (LOW-$) WINDSHIELD WASHER FLUID-WHO WINS? BEST WATER/METH VIDEO EVER! IATS, AF & HP!

Is Windshield Washer Fluid Flammable?