I've seen at least one person here who put BG on top of Epic so I know I'm not alone, but I wonder if it's a waste of energy.

I put BG on yesterday (in the full San Diego sun!) after putting on Epic last weekend at OctaneGuy's clinic (which I highly recommend attending if you can).

The BG seems to have made my black roof's shine look deeper, and it seems to have lessened the appearance of the super light scratches (I should have spent more time with the PC at the clinic...).

I taped off a test spot so I don't think my eyes deceive me, but is that really possible considering the BG is going on top of another wax?

 

I did this on mine and a friends Jetta at the weekend. I also topped off with Hydro.

 

BG has carnauba content... thus the deeper shine.

thus why i only use carnauba on my hobby cars.