What do you use for Windshield spray?
Registered User
iTrader: (9)
Joined: Oct 2005
Posts: 3,312
From: San Jose, CA
Car Info: 2011 WRX hatch gray
I suggest you get some of these 303 tablets:
Amazon.com: 303 Instant Windshield Washer Tablets: Automotive
Amazon.com: 303 Instant Windshield Washer Tablets: Automotive
Anyone tried:
Amazon.com: einszett 921008 Kristall Klar Washer Fluid Concentrate - 8.5 fl. oz.: Automotive
water with corn starch. like 1 tablespoon in a spray bottle, shake it up and begin. you need 2 towels, one for the main clean and one to get rid of the streaks while its drying. we used to do this on our sliding glass door in our house but cant anymore because too many people walk into it
Thanks for that... I'm trying it out.... also order directly from 303products website... free ship.
Anyone tried:
Amazon.com: einszett 921008 Kristall Klar Washer Fluid Concentrate - 8.5 fl. oz.: Automotive

Anyone tried:
Amazon.com: einszett 921008 Kristall Klar Washer Fluid Concentrate - 8.5 fl. oz.: Automotive

Registered User
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Joined: Aug 2008
Posts: 7,634
From: Campbell, CA
Car Info: Some sort of Subaru
I suggest you get some of these 303 tablets:
http://www.amazon.com/303-Instant-Wi...3910766&sr=1-3
I, along with the whole family fleet of cars, will be changing to that soon. You drop the tablet into fresh water and it will create a solution.
All the other premixed windshield wiper fluids really suck and do leave a bunch of water etching quickly over time. If you decide to use any rain x bug retardants, make sure you properly dilute it, the concentration alone is pretty strong and can permanently eat through your paint.
http://www.amazon.com/303-Instant-Wi...3910766&sr=1-3
I, along with the whole family fleet of cars, will be changing to that soon. You drop the tablet into fresh water and it will create a solution.
All the other premixed windshield wiper fluids really suck and do leave a bunch of water etching quickly over time. If you decide to use any rain x bug retardants, make sure you properly dilute it, the concentration alone is pretty strong and can permanently eat through your paint.
Registered User
iTrader: (5)
Joined: Feb 2011
Posts: 201
From: Palo Alto
Car Info: 2004 Silver WRX Wagon
Thanks for that... I'm trying it out.... also order directly from 303products website... free ship.
Anyone tried:
Amazon.com: einszett 921008 Kristall Klar Washer Fluid Concentrate - 8.5 fl. oz.: Automotive

Anyone tried:
Amazon.com: einszett 921008 Kristall Klar Washer Fluid Concentrate - 8.5 fl. oz.: Automotive

Nobody likes the tuna here
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Joined: Feb 2010
Posts: 19,779
From: Somewhere San Mateo County, Inside A 911 Ambulance
Car Info: 03 SRP WRX Street Class Prepped, 17 Chevy Duramax
some of that -32F stuff. mixing rubbing alcohol with water can lower the freezing temperature but still not enough to melt any ice that gets on your windshield. alcohol also dries out and hardens your wiper blades.
If in doubt, FLAT OUT
iTrader: (33)
Joined: Oct 2010
Posts: 7,046
From: Nor Cal SJ
Car Info: 2010 Hatch, 2011 Sedan
The first thing I do is use a fine glass polish on the car. It gets any previous grime off and makes the glass super smooth like it should be. I use the wipers and the spray a lot less that way.
The first thing I would do is clay bar the glass section that is being worked on. After clay barring to removing any top level loose contaminants, then I would move on to the fine glass polish. Polishing too soon, can and may lead to further scratching of the glass surface because of loose and hard surface contaminants that might get stuck in between the application pad being used to work the compound. On top of that, you can throw on a wax, surface sealant, or a specific glass sealant with the highest durability properties to withstand the acidic properties in your windshield washer source or from mother nature.
Rain/water sticks to the glass more when it is dirty and rough because it actually has microscopic gaps that have built up to attract and trap the water molecules. If you correct the problem by smoothing out and removing all fall out and build up on the glass surface, then it will leave much less for water to "grab" on to.
Everyone who uses IPA on the exterior paint surface of your car PLEASE TAKE EXTRA PRECAUTION!
The proper dilution percentage is 10% of IPA to remove surface oils and other residues. That probably will not be enough strength to beat the icing you are speaking of. Also it will dry out your wipers, leading you to spend more money else where. If that is the case, I recommend you try and find another solution to beat frost.
We'll see, I might be able to do one once the products come in. A before and after comparison between untreated and treated glass/fluid/and wipers should make a noticeable conclusion and write up.
General Pimpin'
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Posts: 23,019
From: Knee deep in beer. subabrew crew, ca.
Car Info: MY04 aspen wrx wagon.
I find that doing a polish on my windshield and using either wax or rainX helps a LOT. I do this on my caddy which has vacuum wipers that suck. I'm actually taking them off because I don't use them. With this treatment combined with my visor I have no issues driving in the rain with no wipers.
If in doubt, FLAT OUT
iTrader: (33)
Joined: Oct 2010
Posts: 7,046
From: Nor Cal SJ
Car Info: 2010 Hatch, 2011 Sedan
Good point and good idea. If the intention is restoring the clarity of the glass to maximize visibility and improve windshield wiper effectiveness, then the extra "preparation" will give you much better results.
The first thing I would do is clay bar the glass section that is being worked on. After clay barring to removing any top level loose contaminants, then I would move on to the fine glass polish. Rain/water sticks to the glass more when it is dirty and rough because it actually has microscopic gaps that have built up to attract and trap the water molecules. If you correct the problem by smoothing out and removing all fall out and build up on the glass surface, then it will leave much less for water to "grab" on to.
The first thing I would do is clay bar the glass section that is being worked on. After clay barring to removing any top level loose contaminants, then I would move on to the fine glass polish. Rain/water sticks to the glass more when it is dirty and rough because it actually has microscopic gaps that have built up to attract and trap the water molecules. If you correct the problem by smoothing out and removing all fall out and build up on the glass surface, then it will leave much less for water to "grab" on to.
I've just been using my paint cleaning clay to do it, and it seems to work well. Only have to do it like once a year, and pretty much only on the windsheild, so not sure I would invest in something like that.
Everyone who uses IPA on the exterior paint surface of your car PLEASE TAKE EXTRA PRECAUTION!


