We recently purchased a 1911 Craftsman. It is really great but doesn't seem to have ever had any built-ins. Therefore, we just bought a salvaged built-in buffet. It is very dark Fir wood. The finish is not salvagable. I did the denatured alcohol test and it is shellac and only shellac, no stain at all. The problem is, even after alcohol and even citristrip, there is a silvery-white haze left on the wood. We wanted to stain it prior to reshellac-ing to match our existing woodwork. Can I apply stain over this ghostly sheen? If not, any tips on getting it off?