John, Plain hypo is probably the simplest solution. The TF-2 formula I gave is from Anchell/Troop book, and they say it is suitable for tanning developers. But just to see if your stain improves with a different fixer, give hypo a try. Incidentally, when I first tried PMK, I didn't have an alkaline fixer, so I used Kodak Rapid Fix w/o hardener and the film stained pretty well.(posted 8493 days ago)