Best Windscreen Washer Additive to Use

[Gavin]

Hi All. Whats the best windscreen washer additive to use. I figure something that doesn't cause rust or paint damage would good . I read something years ago that washer additive causes rust around the windscreen!!. Any thoughts.

Cheers

[Rusty62]

I've used Rainex for a while, its excellent and you don't need wipers as long as your over about 80kph, the wind just blows the water off. I don't know about rust though, might be worth checking the ingredients.

[burnz]

Originally Posted by Rusty62

I've used Rainex for a while, its excellent and you don't need wipers as long as your over about 80kph, the wind just blows the water off. I don't know about rust though, might be worth checking the ingredients.

diluted bee's wax in methanol.

[xr gr8]

Small drop of metho has always worked for me.

[Ford_The_Win]

Originally Posted by xr gr8

Small drop of metho has always worked for me.

I've heard it dries out the wiper blades and makes them perish earlier

[LTDHO]

Originally Posted by Ford_The_Win

I've heard it dries out the wiper blades and makes them perish earlier

Exactly.

I always use soap based window cleaner.

[xr gr8]

Originally Posted by Ford_The_Win

I've heard it dries out the wiper blades and makes them perish earlier

I replace wiper blades every twelve months regardless so never seen this issue.

[Crazy Dazz]

Had an uncle who always swore by a teaspoonful of metho in a full washer bottle.
I usually just use a squirt of Windex.

It probably varies with location and weather. Over here it is mostly about cleaning the dust from the windows, so products designed to help repel water are not as effective.

[The Yeti]

Technical stuff

Water

[AU Mont]

car wash concentrate

[xxx000]

I use whatever i can get in the washer bottle, the right % is the most important part

In saying that i only use fluids designed for use there, not dishwashing liquid

Rainex applied on the windscreen is brilliant and helps reduce the need to use the washer fluid

[aussie muscle]

car shampoo

[satria]

plain old water for me, seems to do the job :/

I do make sure i wash the windows thoroughly tho when i wash the car every few weeks.

[ryeman]

Plus new wiper rubber.

[Kryton]

Windex for me.

[ryeman]

Winded for country drivers particularly ...the bugs are easier to get off as well,

[Gavin]

Hi Ryeman and Kryton. What percentage of windex are you using. I do a lot of country driving and the bug guts is driving me crazy.

[ryeman]

I only apply it by hand to all glass.

[Eldubayu]

3 drops of Trix (dishwashing liquid).
Just another wise tip from my dad. Whose first car was an old DeSoto like the one driven by Howard Cunningham in Happy Days.

[Peter B - CV8]

Originally Posted by Eldubayu

3 drops of Trix (dishwashing liquid).
Just another wise tip from my dad. Whose first car was an old DeSoto like the one driven by Howard Cunningham in Happy Days.

You need to be careful with most dishwashing detergents as they can contain a fair amount of salt - which can cause rust. I used to have old Mini that was constantly rusting the steel impeller post on the windscreen washer motor. Metho also seems to allow algae to form/build up within the washer bottle.

[Thornie]

1/4 meguires window cleaner rest water works well.

[gregaust]

I like the little Toyota sachets work well

[XR6T0Y]

RainX

[mik]

In my henry on occasion I put a few drops of dish detergent just for the wetting agent, don't use any in my old lexus as it has the windscreen impregnated with something and rain always beads.

[Franco Cozzo]

The best one is those 32ml Wurth bottles, the orange one.

Good luck finding it though.

[frankie86]

sonax clearview... good luck finding it though

[FGII-XR6]

I find bars bugs to be good non streaking and cleans well

[Mr Hardware]

Originally Posted by au3xr6

I find bars bugs to be good non streaking and cleans well

I was using bars bugs, but i switched to the castrol windscreen additive stuff and i find that the performance is more or less the same, but i buy a bottle of it far, far less freqently with the castrol....

[WILDB]

Castrol make an additive, similar to the Sonax stuff - I've been using it for several years and have yet to find anything that cleans the screen so well. (In terms of additives that is)

[Sioso]

Originally Posted by WILDB

Castrol make an additive, similar to the Sonax stuff - I've been using it for several years and have yet to find anything that cleans the screen so well. (In terms of additives that is)

Agreed.
I've been using Castrol windscreen concentrate for 20+ years, have never found anything better.