Can anyone suggest what has happened to a film that I have just developed. I use d Agfa APX 25 in 120 roll film in a 6x9 Horseman holder. I developed 2 films in PMK Pyro (separately and in fresh dev on each occasion). One film was fine, howe ver after drying the second (air drying) I have noticed a definite narrow band o f staining across the bottom of the film strip. This band is only about a cm wid e but runs along the whole length of the film, and is about 1cm from the bottom edge of the film. I was surprised to see it as I stuck to my normal technique wi th regards to temperature and agitation. Any suggestions??? The film was develop ed on a reel in a closed tank. Thanks in advance. Paul
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