Ok heres the deal...a friend of mine at work takes great care of his black jeep. His paint looks awesome and my black ZX3 always looks dirty or spotted cause its black. I asked him how he manages to keep it so spot free and clean and he said the trick was using just water and no car wash soap when you clean it. He said the soap is bad for your paint over a long period of time too cause it oxidizes or something. I gave it a try today and it came out better than Ive ever seen, no spots afterward and it came just as clean with nothing but watter? Is this really better and does anyone else use this method? Are there any long term problems?