Developing Time Based On Temperature Changes

Ideally, your film developer and other chemicals should all be used at 68F. In reality, temperatures can vary widely unless you have an expensive fluid control system installed in your darkroom.


64
66
68
70
72
75
77
80
5:00
4:30
4:00
3:30
3:15
2:30
N/R
N/R
5:30
5:00
4:30
4
3:45
3:00
N/R
N/R
6:00
5:30
5:00
4:30
4:00
3:15
N/R
N/R
6:30
6:00
5:30
5:00
4:30
3:30
N/R
N/R
7:15
6:30
6:00
5:30
5:00
4:00
3:45
N/R
8:00
7:15
6:30
6:00
5:15
4:30
4:00
3:30
8:45
7:45
7:00
6:30
5:45
5:00
4:30
3:45
9:15
8:15
7:30
6:45
6:00
5:15
4:45
4:00
9:45
8:45
8:00
7:15
6:30
5:30
5:00
4:15
10:30
9:30
8:30
7:45
6:30
6:00
5:30
4:45
11:15
10:00
9:00
8:00
7:15
6:15
5:45
5:00
11:45
10:30
9:30
8:30
7:45
6:30
6:00
5:15
12:30
11:15
10:00
9:00
8:00
7:00
6:15
5:30