Besides checking the hypo, look at the directions that came with the hypo. It will tell you how many rolls of film can be processed per batch. The trick is that if is say X*80 square inches, remember that 80 square inches equals a roll of 35mm 36 exposures, or a roll of 120 [half a roll of 220] or one 4"x5" sheet.
Steve
A sheet of 4x5 is 80 square inches? Perhaps you meant to say 4 sheets?
Never reuse film fix more than 24 hours old. The little black speck on the bottom of the bottle is silver from the previous film that has precipitated out. This will stick to the next film and not even running water will wash it off. There is no home method to filter it out.
I mix 8 oz, use for 24 hours, and use it up on test test strips for prints.
Fred Picker from Zone 6 said never pour anything back into a bottle. Experience has told me he was correct.
Do you have anything to back that up with? It was my understanding that you could fix for any reasonable amount of time and not have to worry about the silver image. I sometimes leave my film in the fixer for 15 minutes or more and never worried about it.Don't radically overfix with a rapid fixer; some can actually dissolve away fine details.
Never reuse film fix more than 24 hours old. The little black speck on the bottom of the bottle is silver from the previous film that has precipitated out. This will stick to the next film and not even running water will wash it off. There is no home method to filter it out.
Never reuse film fix more than 24 hours old. The little black speck on the bottom of the bottle is silver from the previous film that has precipitated out. This will stick to the next film and not even running water will wash it off. There is no home method to filter it out.
Never reuse film fix more than 24 hours old. The little black speck on the bottom of the bottle is silver from the previous film that has precipitated out. This will stick to the next film and not even running water will wash it off. There is no home method to filter it out.
I mix 8 oz, use for 24 hours, and use it up on test test strips for prints.
Fred Picker from Zone 6 said never pour anything back into a bottle. Experience has told me he was correct.
Never reuse film fix more than 24 hours old. The little black speck on the bottom of the bottle is silver from the previous film that has precipitated out. This will stick to the next film and not even running water will wash it off. There is no home method to filter it out.
I mix 8 oz, use for 24 hours, and use it up on test test strips for prints.
Fred Picker from Zone 6 said never pour anything back into a bottle. Experience has told me he was correct.
Yes, you can reuse fixer. And you can use it for several days, as long as it remains clear and does not accumulate suspended crud. Opinions vary, but I would throw it out after a week or so, just on general suspiciousness ... The capacities the manufacturers list on the bottle are often optimistic (some more so than others), and I would cut them in half to be on the safe side.
I don't worry about my fixer until I pull film off the reel
at 5 minutes and notice it's still a bit foggy-looking.
It goes back in the fixer for another 5 minutes or so and
then I mix up a fresh batch for the next roll.
"Black Specks"
What would Kodak be adding to the product to avoid this issue?
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