It's 30 seconds per one stop push, actually, but still, you have to work efficiently.C-41 process is difficult with regard to timing, because CD step is very short. Remember that 15" extra development are equivalent to a full stop push!
25 to 30 seconds is way too long when you consider it's about 15% of the total development time.I will try to do a stop bath before the BLIX and also, from what I've read it helps to preserve the BLIX too. I have timed the emptying / filling the tanks and it typically takes 25-30 seconds to empty and fill a full 1.5L tank that is designed for 8x35mm rolls. When I've developed the last time I had put 2 x 120 rolls onto a single spool. I've used the sticky tape at the end of the roll to attach both rolls together. One of the problem rolls was at the top of the tank, the other one was at the bottom. The previous development of the Neopan 400CN that I've done was done one roll at a time in a small tank designed for 2x35mm or 1x120 films. The full/empty times are around 15 seconds if that.
However, I am not sure that the spots are caused by the timing. Two out of four films that were developed in the same tank at the same time do not have these spots. Thus, I am wondering if this is a problem with the film itself or perhaps the chemicals?
Has anyone developed the NeoPan 400CN before? Any issues with it?
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