you have to spray it just like a kandy. it is kandy, just a premixed version thats suppose to make it easier to spray with less coats. it requires no catalyst so you can have more managablitily. stripes, blotching, etc. will show up, scratches and waves show up easily too. I have sprayed KBC quite a few times now, and you gotta spray that shit just perfect like with real kandy.
You can spray it over any color you like, it is a mixed kandy, so whatever basecoat you have will affect the final color.
On one car i painted, the trunk area had some factory stickers i didnt feel like messin up so i just painted right over it with KBC. You can see the sticker still, just has a slight kandy hue to it. i'll post a pic when i get back into town to show how transparent KBC is..
To get more depth with KBC, i suggest you fog on about 5+ coats.. the 3 medium coats they recommend doesnt have as much depth. but then again, KBC doesnt have as much depth as UK, but it still looks bad ass..