I'm brand new to the home-developing game. I purchased the unicolor c41 developing kit and have developed 3 rolls of color film successfully so far. However, tonight I developed a roll of Kodak 400 color film and it came out very dark. I can barely make out images on the negatives (and can't read the film info on the margins). I'm assuming this means it overdeveloped; however I don't know why. I followed all procedural instructions and my temps were right on - 102 for dev and 98 for blix.

Please help!

  • \$\begingroup\$ Did you remember to set the ASA setting on your camera to 400 \$\endgroup\$
    – Alaska Man
    Commented Jan 23, 2019 at 5:33
  • 2
    \$\begingroup\$ @Alaskaman Overexposing when shooting in the camera should not cause the margins to also be too dark. \$\endgroup\$
    – Michael C
    Commented Jan 23, 2019 at 6:48
  • \$\begingroup\$ Yeah, the camera was set to 400. \$\endgroup\$ Commented Jan 23, 2019 at 14:31
  • \$\begingroup\$ @MichaelC Doh, i knew that. Did not read slowly enough. \$\endgroup\$
    – Alaska Man
    Commented Jan 24, 2019 at 19:10

1 Answer 1


Most likely the film was exposed to light i.e. fogged.

  • \$\begingroup\$ I was afraid this happened too, I just don't know when. The film was given to me from a friend, so maybe it happened w him and he didnt know it \$\endgroup\$ Commented Jan 23, 2019 at 13:46

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