I had a body shop owner recommend All Metal to me. I haven't gotten to the point of filler yet, though.
He's messing with your head. He likely wants you to make a mess of it so he you end up taking it to him to fix. All Metal is an aluminum filler and not a product you want to use, unless you are an expert technician and know exactly why you are using this particular product.
Get a good gallon of Evercoat Rage Gold or similar and have a much easier time with it than you ever would with All Metal.
