[pure-silver] Re: drips on roll film

  • From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
  • To: <pure-silver@xxxxxxxxxxxxx>
  • Date: Fri, 30 Nov 2007 13:04:51 -0800

----- Original Message ----- From: "Shannon Stoney" <shannonstoney@xxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, November 30, 2007 12:06 PM
Subject: [pure-silver] Re: drips on roll film

How long should you resoak the negatives in the wetting agent? I rewashed them and then resoaked in wetting agent for about half a minute. This didn't work. Maybe I should have soaked longer?

The film is Ilford HP5+ and FP4+, which is usually pretty reliable film. Maybe my stop was too strong?


Resoak for perhaps two minutes. That should be long enough to saturate the emulsion and backcoating. Wetting agent is supposed to eliminate water spotting! I've used both plain Photo Flo and the mixture with alcohol for many years without problems. Ilford is pretty good stuff but they have had occasional coating problems. However, if you are getting the same effect on two or three kinds of film it pretty much eliminates the film itself. I agree with those who advise going light on the Photo Flo. BTW, how do you dry? Presumably not on the reels. I hang roll film using clips and sheet film using wooden clothes pins.

Richard Knoppow
Los Angeles, CA, USA
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