michael you might want to try waxing or sealing the surface of the print. minor white taught me to use a wax the print surface which usually remove the dust that embeds itself in the gelatin surface and also protects the print surface from scratches. minor used to use blue coral car wax available at most cadillac dealers. also an alternative might be to add a bit of hardner to your fixer which should harden the emulsion more so that you can get the dust out. th