Quote Originally Posted by Phillip P. Dimor View Post
I use naaco fixer test or whatever it's called. One drop into a bit of fixer will tell you if it's good to go. I had developed about 40 sheets of 4x5 tri-x no problem but went to develop a roll of 120 tmax and it didn't clear.
I use Edwal Hypo check at the start and at the finish of large batch processing such as 4x5 in tanks. With Edwal I can tell when the fix is about finished, the check with start to cloud up then clear after a second or two, thats when I dump and fix fresh.