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Best glass cleaner?

9.8K views 88 replies 49 participants last post by  FreshAir  
#1 ·
Primarily for the inside of the windscreen. Autoglym glass polish is great but can dust up and it's a faff to use on the inside.
I tried white vinegar but it takes a while to wipe it all away as it doesn't flash off.
Other than that I've just gone with household stuff which I'm not opposed to if it's good.
Just looking for the easiest and fastest to use, will cut through grime with minimal effort and leave a streak free, bare finish, without finding streaks when driving at night.
Any suggestions?
 
#89 ·
Homebrew. 20% IPA, 80% DI, tiny splash of ONR. Works well.

For exterior RainX glass cleaner is crazy easy to use and an effective cleaner. It stayed at the back of the shelf for ages, thought I'd better use it up, wow, no streaks, not fussy to use. Sometimes we wonder how a product rendered up at the back of the shelf. I got some IW cleaner in a bundle is why but that will 100% not be replaced.

BH glass cleaner works well, not sure I'll replace when it runs out though.

Don't use cleaners with hydrophobic characteristics on interior glass or they will fog up faster in winter IMO.
 
#80 ·
I used two standard microfibre towels. I sprayed the product into the first and spread it and the second to buff as required - very little actually. I tried the 1:256 first and it did what I expected - i.e. removed some smears and residue from an already clean screen (one half). I then repeated on the other half of the screen with the 1:16 and, I admit it, I used the same two cloths. This was on the basis that the 1:256 that was already on there wasn't really going to impact the stronger solution. (I wasn't trying to be too scientific about it!)

Suffice to say, the 1:256 met my expectations for a "finishing" glass cleaner - similar to BH Trace-less, which is also excellent. The 1:16 might be more effective if your glass is dirtier, but then, if it were me, I would probably clean the glass with something else first, whether that be shampoo during the contact wash, an APC, or maybe even a glass polish and then finish it off with Trace-less or ONR, or similar. :D

YMMV
 
#77 ·
Yes, you're right. No discernible difference between 256:1 and 16:1 as far as glass goes - at least not with the cloth I used! Both flashed off nicely with no streaks. I guess the 1:16 does give more lubricity, so would be better to use on paintwork, but for glass I don't think there's any point using anything but 1:256.

The 1:16 did smell nicer though! :p
 
#74 ·
Read this thread with interest as I have just bought some H2Go and am planning to use it soon - probably over the weekend, weather permitting!

Anyhow, a couple of questions occur to me. I have some BH Trace-less, which I have found to be pretty good but what about the cloths that come with the 1 litre bottle. You get a waffle weave and a suede microfibre - is the BH supplied waffle cloth any good?
Or is it worth forking out for a better one?

Also, a few people have posted about using ONR as glass cleaner, and this does look good, but I found an interesting discrepancy. The youtubers I've seen do this seem to use it at the normal 1:256 ratio, but Optimum themselves seem to recommend 6oz to 1 gallon of water, which I reckon comes out closer to the QD ratio. (It's around 1:21.5!) They recommend a similar ratio for interior cleaning, whereas people seem to use it successfully at 1:256.

(I know, it's shocking that a company would recommend using their products more quickly!)

I've just acquired a bottle of ONR too, so I'm planning to mix a couple of spray bottles up - one at 1:256 and a second at 1:16 to use as a QD/drying aid, so I might just give the 1:16 a go as glass cleaner and see if it makes any difference!
 
#76 ·
I've just acquired a bottle of ONR too, so I'm planning to mix a couple of spray bottles up - one at 1:256 and a second at 1:16 to use as a QD/drying aid, so I might just give the 1:16 a go as glass cleaner and see if it makes any difference!
Since using ONR for glass, I've never gone back to my regular glass cleaner, it remains gathering dust on the shelf.

I've always used it at the regular 256:1 ratio for glass, not sure what the 16:1 ratio will do but will be surprised to see if you find any difference... maybe it adds more lubricity?? Let us know.
 
#71 ·
I've had a 5L drum of Autoglym glass cleaner which I've been using for years. Never had any issues with it, it's a good product. Even though I've about 2L left I recently got BH Traceless to try out and see if it was just hype, and also to just try something new... Game changer!

Labocosmetica Aquavelox is my go to sealant... I've tried them all, and it's the only one, other than Nextzett RainAway, that hasn't caused me judder issues. Very easy to apply, preforms well, durability is good (about 4/5 months before you'd need to re-apply on front)
 
#67 ·
I bought some about 4 months ago and found it okay. The hydrophobic claim is a bit of a push but it did leave something behind. Like many of my window cleaners, it's been relegated to use on the house windows now. I can't see anything being better to use than Traceless.

Traceless + H2Go if you want hydrophobics is a far superior combo.
 
#68 ·
Disappointing to hear the hydrophobics is essentially BS. Even if it's a couple of days as @macmark said it's not worth advertising! As @AndyA4TDI said, at least it was only £2 :ROFLMAO: As soon as someone's mentioning ceramics, I'm automatically thinking increased duration, maybe that's my fault for buying into the marketing.

I have been using rainx which I think is awesome performance but it only lasts a couple of weeks and I'm tired of having to apply is all the time outside of the summer. The 2 I narrowed it down to when changing was H2Go and Glaco but i went for the latter, purely as the duration is longer. If I can get away with once a year, I'll be happy!

As for Traceless, I haven't used it but I just think BH is an awesome company. Proper chemists. They are always the first company I go with for a new product. I wish the wheel cleaner didn't stink so much though! :sick:
 
#65 ·
I bought some of the Caramics glass cleaner when AF first launched the range a few years ago. I wasn't overly impressed with the hydrophobics and what it did leave behind only lasted a few days. I think they made some revisions to the products after feedback from users but don't know if the glass cleaner was one of them and if it's any better than it was.