DIY windshield washer fluid

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Old 09-13-20, 01:32 PM
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DIY windshield washer fluid

Any recipes for homemade windshield washer fluid that is safe to use in the reservoir in passenger cars?
 
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09-13-20, 01:49 PM
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A gallon of water, 1/4" - 1/2 cup of ammonia, and a little squirt of Dawn.
Just dont use in the winter!
 
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Old 09-13-20, 01:47 PM
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A gallon of water, 1/4 - 1/2 cup of ammonia, and a little squirt of Dawn.
 
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Old 09-13-20, 01:49 PM
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A gallon of water, 1/4" - 1/2 cup of ammonia, and a little squirt of Dawn.
Just dont use in the winter!
 
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Old 09-13-20, 02:30 PM
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Add rubbing alcohol to it. Alcohol lowers water freezing point. Plus, it's excellent solvent.
 
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Old 09-13-20, 02:44 PM
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Rubbing alcohol is good for melting frost in the winter, too... if it was winter.
 
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Old 09-14-20, 03:02 AM
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It's been a long time since I used a homemade concoction for windshield washer fluid but back when I did I did as X suggested - a little ammonia and soap. No more than the store bought washer fluid costs IMO it makes more sense to buy it instead. They do sell both winter and summer fluid so it pays to look at the label if it's going to get below freezing.
 
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Old 09-14-20, 04:46 AM
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I've been using the cheap blue stuff in mine for years. But wife wants me to spend the extra and get the Rain-X brand or similar. Rain-X does a very good job. It puts on a coating that resist water and helps ice not to stick as much. When it begins to rain or very light rain, you may not even need the wipers because Rain-X will bead the water off. After I use up the stock pile I have on the cheap blue stuff I will in fact go to Rain-X.
 
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Old 09-14-20, 05:03 AM
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I don't know what the cost difference is between cheap fluid and Rain X but I've been using Rain X coatings for years and it's one of those products that I'm surprised everybody doesn't use!

You rarely have to use wipers, the blades last 2-3 times longer both due to less use but the slick coating on the windshield doesn't wear them down as much.

But with the treatment you would not need to change to the most likely more expensive washer fluids!

PS, it's great on rear glass too!
 
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Old 09-14-20, 10:22 AM
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I just spray RainX onto my glass and don't use wipers at all.
 
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Old 09-14-20, 12:17 PM
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Back when I drove my 1951 F1 on a regular basis I always used RainX. That old ford has vacuum wipers.
 
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Old 09-14-20, 12:35 PM
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That old ford has vacuum wipers.
Gee I remember those. I had an old Rambler that I used as a snow hound car. It too had vacuum wipers. Could never understand why todays cars can't have an infinite or variable speed wipers instead of the usual multi set points.
 
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Old 09-14-20, 01:11 PM
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Speaking of snow, I remember driving that old truck in the snow back in the 70s. The snow came down wet and fast. I had to stick my hand out the window to give the blade a shove every time it made it back up. When on level ground at a level speed it was nice to be able to adjust the wiper speed to whatever worked best.
 
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Old 09-14-20, 03:46 PM
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Does Rain-X help bug guts come off any easier? That's the biggest reason to put ammonia in your washer fluid... not much else will cut it. Driving at night around here is like driving through a bug blizzard.
 
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Old 09-14-20, 08:02 PM
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Driving at night around here is like driving through a bug blizzard.
Oh, you have no idea.
I went to grad school with an Air Force brat. I assumed his dad had a problem with authority.
Transferred from Florida, to Texas, to Zimbabwe, then a SAC-NORAD base in northern Saskatchewan.
("Northern Saskatchewan" in contrast to warm & sunny southern Saskatchewan in Canadian winter...)

I spring, they had swarms of mosquitoes that slowed down the couriers who rode motorcycles. Not because the bugs hit the visor and they couldn't see, but because they hit so many bugs it hurt.



 
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Old 09-15-20, 02:37 AM
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Does Rain-X help bug guts come off any easier?
The coating is slick so it helps, but their Rain X car wash is just a gimmick!
 
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Old 09-15-20, 04:02 AM
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couriers who rode motorcycles. Not because the bugs hit the visor and they couldn't see, but because they hit so many bugs it hurt.
I once hit a june bug doing about 45mph, it left a big welp on the side of my face
Back when open faced helmets were the norm you learned to keep your mouth closed if there was any chance of bugs.
 
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Old 09-15-20, 04:48 AM
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Back when open faced helmets were the norm you learned to keep your mouth closed if there was any chance of bugs.
Yep, had that as a kid, back seat of dad's 68 Barracuda ragtop. The windshield would deflect stuff UP, but unless you had the little triangular A-pillar suicide windows open, whoever was in the back seat would get pelted from the sides...

Another SAC-NORAD Saskatchewan story, when the brass would visit, they usually landed in a Chinook, the pilots developed a practice of having the copilot stay in the chopper with the rotors in 'neutral' but keep the turbines running long enough to hoover up mosquitoes while the pilot and officers get out and walked to the motor pool.
One time, a new bird colonel decided to inspect the jeeps, deuces, and snowcats parked outside. After 15 minutes they to shut a turbine shut for overheating. spent 12 hours cleaning out both engines thanks to a combined total of "200 pounds of fried bug guts.."
 
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