Archived posting to the Leica Users Group, 1999/02/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Martin, I'd suggest you try a couple changes in your methods. If you are using Kodak Photo-Flo, I suggest you use half their recommended amount of solution in water. The film scum seems to accumulate from too much solution. I prefer the alternative wetting agent sold by Edwal, with the minimal recommended solution per liter. Also, your five minute soak strikes me as excessive. I just dip the film in for 10 or 15 seconds, then remove it. This is a surface wetting agent, so I see no purpose in a long soak. Then, I hang the negatives directly in my film dryer. I do not like to squeege film if I can avoid it. I also do not agitate. Agitation creates foam. Foam and bubbles are what you do not want on your negatives. I mix the solution in distilled water exclusively. Tap water, even filtered, will still contain some minerals and other impurities. Even if you're using unfiltered water to wash, I'd like that final bath to be as pure as you can get it, since what's left behind will be stuck to your film. That's my opinion, anyway. Good luck. Bill At 12:50 PM 2/18/99 +0100, you wrote: >In any case, the problem I have is that I'm getting drying marks on my >films, despite precautions. I use a wetting agent in the last rinse, >with the right dilution, and let it sit in the water for about five >minutes. ... >Still, I keep on getting little white marks on the film. What am I >doing wrong?