I've been using both UPP and NXT on our black Benz S430, but I always seem to have some haze spot once awhile and usually the most noticeable on the hood b/c of the angle.
Every time after the car gets dirty enough and needs a good thorough wash, I would follow all the steps doing claying, UPP paint cleaner, polishing, sealant. Then if I want I would top it off with some carnauba wax(TS or PS or my own mix of the two
). You know the very typical procedures to get that best shine possible. And I've always apply the sealants w/ PC7424. Sometimes I do apply some Final Detail spray inbtwn.
These steps have proven to work my cars and I like the result. But sometime it just seems to be a bit PIA to get the haze out on our straight black Benz. I could notice some hazing issue on our Ti Grey Volvo, but not that noticeable b/c of the color. Black is just a royla PIA, shows everything so well..
And all these problems happen even before applying that one layer of topper wax.
At first I thought maybe I just shouldn't mix UPP and NXT together, then I tried to use them by themselves w/o any other type of sealant or wax. I still had the problem.
Then I thought maybe it was just dirty MF towels or pads, but I never wash pads or MF towels that I use with carnauba wax. And I did change to new MF towels, still have the problem.
Finally today I decided to apply my own TS+PS wax and pay closer attention to the finish. AND I SURE DIDN'T HAVE ANY OF THE HAZING PROBLEM ANYMORE! At least not that I could see even at very close inspection. The wax just wiped off so easily w/o any haze.
Maybe b/c these past few weeks I wanted to just have polymer based sealant for that more durable finish without carnauba wax to attract dust. And back then I just knew wanted to top if off w/ some carnauba wax and didn't pay close attention.
Any thought on this? What am I doing wrong? TIA~!
Every time after the car gets dirty enough and needs a good thorough wash, I would follow all the steps doing claying, UPP paint cleaner, polishing, sealant. Then if I want I would top it off with some carnauba wax(TS or PS or my own mix of the two

These steps have proven to work my cars and I like the result. But sometime it just seems to be a bit PIA to get the haze out on our straight black Benz. I could notice some hazing issue on our Ti Grey Volvo, but not that noticeable b/c of the color. Black is just a royla PIA, shows everything so well..

At first I thought maybe I just shouldn't mix UPP and NXT together, then I tried to use them by themselves w/o any other type of sealant or wax. I still had the problem.
Then I thought maybe it was just dirty MF towels or pads, but I never wash pads or MF towels that I use with carnauba wax. And I did change to new MF towels, still have the problem.
Finally today I decided to apply my own TS+PS wax and pay closer attention to the finish. AND I SURE DIDN'T HAVE ANY OF THE HAZING PROBLEM ANYMORE! At least not that I could see even at very close inspection. The wax just wiped off so easily w/o any haze.
Maybe b/c these past few weeks I wanted to just have polymer based sealant for that more durable finish without carnauba wax to attract dust. And back then I just knew wanted to top if off w/ some carnauba wax and didn't pay close attention.
Any thought on this? What am I doing wrong? TIA~!