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BMW X5
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YesterdayLAST POST
02-21-2026
I bought a large box of Aquapel many years ago. No idea if it's still on the market, but in Northern New England it lasted 6 months on vehicles parked outside. On vehicles parked inside during the winter we got 8-10 months from an application. One upside was I could cover all of the glass on a vehicle with one applicator; this included the exterior rear view mirrors. Overall, I found Aquapel's performance to be excellent.
05-04-2026

Wish he had used Glaco Ultra instead of the orange Glaco. Wonder how what would have held up vs the winner.
05-04-2026
Redd wrote
Wish he had used Glaco Ultra instead of the orange Glaco. Wonder how what would have held up vs the winner.
I love this guy, but this set of tests is somewhat artificial.
Granted, there is no easy way to represent wear'n'tear on coatings of cars parked outside for 6-12 months, with all the bird poop, pollen, snow, and ice accumulating and abbraiding against the coating by the wiper blades.

I had personally tried Glaco Ultra and it did not last for me any longer than Griot's (2nd best for me), Stoner Invisible glass coating (not bad, but not the spray he tested), Adam's(meah), or Gyeon View (best I've tried so far), or McKeys 37 spray (meah).

For me "best" == longest lasting, which is ~12 months on cars parked outside throughout the year. Longer on those parked inside.

YMMV,
a
05-06-2026
Redd wrote

Wish he had used Glaco Ultra instead of the orange Glaco. Wonder how what would have held up vs the winner.
I think he didn't use a few strong ones
05-07-2026
julek140 wrote
I think he didn't use a few strong ones
He did.
But the wear'n'tear was proxied by spraying glass cleaner, bug & tar remover, wheel & tire cleaner, and degreaser.
It's better than nothing, but nature doesn't spray any of the above chemicals onto your windshield.

Thus the test is measuring coatings resistance to the chemicals, not to real-world accumulation of natural contaminants that abrade against the coatings courtesy of the wiper blades.

YMMV,
a
05-08-2026
afadeev wrote
It's better than nothing, but nature doesn't spray any of the above chemicals onto your windshield.

Thus the test is measuring coatings resistance to the chemicals, not to real-world accumulation of natural contaminants that abrade against the coatings courtesy of the wiper blades.
This is very true! I'm almost two months into a real-world test on two cars comparing RainX vs. Griots Glass Sealant. I ran a strip of painters tape down the middle of the windshield on each car, and used each product as instructed on one side (alternating sides between cars, since the driver side gets more windshield wiper contact). My impression right now is that they are virtually identical, but it's been a couple of weeks since I had either car out in the rain. Both are parked outside full time.
05-08-2026
Angelwax H2Go has been amazing for my needs.

I'm in LA, and we'll get spurts of rain for about 3 month period then never outside of that so I don't really get value out of single use products that last a year+. H2Go was $20 or so, lasts me the 3 months per application and the few sprays of it a year mean it'll last me until it goes bad which it hasn't over 3 years I've had it.

It goes on really easy. Pretty much like a sealant on paint and if it fails, then I just have to apply a few more spritzes unlike coatings where you really only get 1 go so you have to make it count. Highly recommend.
05-10-2026
louielouie wrote
Angelwax H2Go has been amazing for my needs.

I'm in LA, and we'll get spurts of rain for about 3 month period then never outside of that so I don't really get value out of single use products that last a year+. H2Go was $20 or so, lasts me the 3 months per application and the few sprays of it a year mean it'll last me until it goes bad which it hasn't over 3 years I've had it.

It goes on really easy. Pretty much like a sealant on paint and if it fails, then I just have to apply a few more spritzes unlike coatings where you really only get 1 go so you have to make it count. Highly recommend.
I'm in LA too and what I do is run silicone wiper blades and these blades naturally leave a thin hydrophobic film on the windshield. I used the same PIAA wiper blades for 4 years -- they just won't die lol.
Yesterday
I tied most of the products mentioned and in my experience the Soft99 products - Glaco Glass Compound and Ultra Glaco sealant are the best performers.