Corey Bit Spank said:
Aurora, I understand you really like Blackfire, and I do not blame you. If one wash after will reduce the smearing, I'll be a fan too. Maybe I'm too close to the mural to see how good the end result really is. Let me know how Zaino works out in comparison 
edit: Aurora, if you have any other tips with Blackfire let me know. Gosh knows there are tricks of the trade when using Klasse SG and Zaino. Maybe there just isn't enough users to give good advice for the product?
In regards to the looking good before the wash, but losing some look after, I've never really noticed that. I guess where it is hazy it is sort of extra deep, but that's mainly because it's still oily/hazy. So it isn't too surprising that removing the haze will remove some of that look. But to me the car looks awesome even after 10 washes.
My main tip is thin... I am not kidding that I use about a drop per panel (two drops on the roof and maybe 2 1/2 on the hood). I've probably applied 10-15 coats of Blackfire from the bottle and it looks brand new. Those little ridges on the side of the bottle, the top of them is about how low the product is. And I have a pretty big car. In reality, my car is 8" longer than a TrailBlazer, almost a foot longer than a 4Runner, and also probably wider than either. It's not small.
I apply one drop to one half of the roof, maybe a drop and then wipe a little more off the bottle just to prime the pad. Then I smear the drop in like a 6" line, and wipe the little bit that is on my finger onto the paint in front of the sunroof, the top of the door frame, and the A and C pillars. Then I run the PC over the 6" smear and work it around that half of the roof to include the tops of the doors and the A and C pillars. That's all it takes. In most parts, you can't even see the product. Then that's basically what I do for the rest of the car. I spread the drop out a bit with my finger on whichever panel just to make it easier to spread it evenly, and I'll sort of wipe a few smaller lines from the same drop in the further areas of the panel. If I need a tad more, I won't use a full extra drop, but will just tip the bottle on my finger a tad.
I really can't see product on about 3/4 of the car (though I don't bust out a spotlight and search for hazing). But if you feel it, it's slick. After having done it a few times you'll get more confident that product is actually there. You can tell when you buff it, and even just when you manually move the PC pad over it. It's slicker than the areas you haven't done. Plus, the whole car will look awesome and bead like crazy so I'm sure it's coated. Usually if there is a hazing problem, it will be only on the part of the panel that you can see haze on. If I can't get it off, I'll give it another hour or so, then hit it with the BF QD (though any should work). Usually if I work the QD over a larger area than the hazing, it's pretty easy to remove. So, if the whole panel is hazed, I'd be pretty screwed. If it just won't come off, then I just don't give it any more thought and wait for a wash. Usually it isn't super hazy or anything, only in the right light and such. So I don't really mind waiting until the next weekend's wash for it to get corrected. I always wash the car between coats, haze or not. And I really can't imagine how more product would help the haze, though I've seen the CMA stuff that said that.
I actually have started using this application technique with SG as well. On most of the car I couldn't even see the haze. I used less SG (and man, I hardly used any before) and had fewer hazing problems. They few hazed areas were easily corrected with just distilled water. I buffed the whole car of SG with one 16x16" MF with no problems. I find the PC helps a lot as I can spread the small amount of product onto a larger area faster. With BF it isn't as big a deal as it stays "wet" for a long time. But SG doesn't, so it's crucial to spread it fast. I'll probably start spritzing distilled water with the SG on application too in order to buy a little time.
At this rate, I honestly think I can easily get 50+ coats out of a 16 oz. bottle of BF. And I really don't think the protectant coat is any thinner or weaker. There's just less to buff.
As a last resort, though, you can always wash the car. I don't think anyone has ever had hazing still after washing. I know it sort of sucks, but if you figure it lasts 4 months or more, then that's only like one week out of 16+ that it doesn't look so great. And really, it still probably looks great, just not as great as it will.
I can understand if you don't find it worth the effort, or it just isn't the look you want, or whatever. We all have different characteristics we really want in a product, and others that we are willing to sacrifice on because they aren't as important. But since you already own it, give it some time before you throw in the towel. Wash the car, and live with the current coat for a few weeks. I bet there will be a few times you'll see the car in the right light, catch that glow, and be like "damn that car looks good". Plus, the beading is just crazy.