Quote Originally Posted by jstraw View Post
Murray (that's my dad's name...can count the Murray's I've met in my life on one hand), do you use any stop bath between dev and TF-3/4? A water rinse?
You don't want to use an acidic stop between the alkaline developer and alkaline fix. The reason you would (possibly) get a stain with selenium is due to the acidic pH of the fix. Use a water rinse after the developer for 60s in running water and then straight into the fix.