Jeff Canes said:I usual fix for 7-10 minutes
JamesD said:Yes, they do, but we're cheap. Plus, how do you check the hypo check?
JamesD said:If it's for film, drop a bit of film leader in it. Measure how long it takes for the film to clear. If it clears, fix for twice that long. If it doesn't, throw it out.
For paper? I dunno. Same thing, I guess, except that dilutions and fixing times are different for paper.