Well people who sell Photoflo would say that. But whatever floats your boat.
Why would they? A single bottle is practically a lifetime supply. I don't know what the markup is on it, but I feel pretty sure that they carry it more as a convenience to customers. They certainly aren't making any significant profit on sales of Photo Flo.
Well, it's a bit too late to tell that to a number of people who have used either one or the other to murder their spouses, albeit perhaps more quickly via one particular option. Are you willing to bet you life on a Wikipedia article?
Otherwise, my last bottle of Photoflo, and likewise Ilfosol, lasted about 20 years each. So no, that's not the kind of get rich quick stock I'd advise investing in.
You should always use distilled water for the brief final rinse of film, no matter what your tap water quality is like. All it takes is a couple of drops - a tiny amount - of Photoflo or Ilfosol in a pint or even a quart or liter of water to do the job.
Wilt - Not all glycols are the same. You are aware of fatal amounts of PEG in toothpaste made in the PRC, and sold in Latin America, aren't you? That was as infamous as melamine being added to baby formula, around the same general timeframe. But if you know better, it's been nice chatting with you while we still had the chance ... The only animal it doesn't seem to poison are marmots, which have the remarkable ability to capture and store both antifreeze and rattlesnake venom in their fat, rodenticides too. Early season, just out from the snow, they'd chew through radiator hoses up to get at it, up at the Mineral King trailhead.
The antifreeze we commonly think of and that's toxic is ethylene glycol, not propylene. Propylene is much, much less toxic and GRAS.
The Food and Drug Administration (FDA) has classified propylene glycol as "generally recognized as safe," which means that it is acceptable for use in flavorings, drugs, and cosmetics, and as a direct food additive. According to the World Health Organization, the acceptable dietary intake of propylene glycol is 25 mg of propylene glycol for every kilogram (kg) of body weight.
I am wondering how some of you have had such great success with Photo-Flo. I have tried Kodak Photo-Flo and Edwal LFN for the final rinse multiple times over the years, always following the instructions to the letter, and yet I got nothing but ugly smudges, esp. on 35 mm negatives. Now, reading these comments I am thinking I must have been doing something wrong, after all. Is there a secret to using Photo-Flo?
You have to use it with an open and generous heart.
What the heck, I may as well link to my Resource which sets out how I use Photo-flo (spoiler alert: it involves alcohol!):
https://www.photrio.com/forum/resources/making-and-using-a-kodak-photo-flo-stock-solution.396/
I am wondering how some of you have had such great success with Photo-Flo. I have tried Kodak Photo-Flo and Edwal LFN for the final rinse multiple times over the years, always following the instructions to the letter, and yet I got nothing but ugly smudges, esp. on 35 mm negatives. Now, reading these comments I am thinking I must have been doing something wrong, after all. Is there a secret to using Photo-Flo?
What would happen if I got so tired during a printing session I fainted face first into a tray of fixer?
Don’t touch the film.but i have a feeling i need some fancy fixer with hardener as i seem to have scratched the emulsion with my bare fingers.
Don’t touch the film.
i know but... when the film strip has been in place hanging from the shower rod for half an hour.. and their still be bubbles of water stuck to it. How does one get rid of them...
If you see bubbles, there was too much Photo-flo.
The water with the proper tiny amount of Photo-flo in it sheets off the film.
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