Hello, I have a bigger rust spot on my rear wheel box. The previous owner unfortunately did not manage to paint properly, although he is a car master and car salesman, after he has snapped somewhere along. Very disappointing, if when washing 10 cm2 paint fall off!!! I have now sanded down the rust and applied a zinc powder paint for temporary preservation. My question: Why is a swab coat always darker when applying it? Is it because it is Is it more concentrated than the paint from the paint shop, or is it because of the lack of clear varnish, or because of the thicker layer, or does it have something to do with the hardener? I want to “repair” it as inconspicuously as possible, but have no money to make it. I also have a spraying gun for paint with a compressor. Would you rather spray it, or brush it? Are there also small sray cans with car paint? What is better? Are there differences between swab paint and spray paint (except for consistency)? in the acquaintance has told me that one can mix paint with polish, or scratch remover and apply it in several layers and dry the rest after a short time, or wipe off the effect. Is there any experience there? In theory perhaps even possible (several thin layers on a light surface (priming) should also give an effect if the paint is compatible with the scratch remover), right?