Quote Originally Posted by sanking
I am just wondering if you are not leaving some of the magenta colored anit-halation backing in the film.

I found it hard to reliably remove the antihalation dyes from Tmax too. After I switched to two-bath fixing in alkaline TF3 the antihalation dyes are much more easy to remove in the wash and with non-staining developers I can hardly tell if I have 400TMY or APX100 drying in the shower unless I take a closer look. The colour of the film in question also wasn't purple but more like a 320TXP left to long in an used-developer-afterbath, like I did when I tested films for pyrocat.