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I always make two batches of working solutions, 1/2 liter each. I develop 8 films in each batch, 2 at a time, i.e. in four sessions. I use the times recommended in the instructions. It works well.
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 Originally Posted by papo
I always make two batches of working solutions, 1/2 liter each. I develop 8 films in each batch, 2 at a time, i.e. in four sessions. I use the times recommended in the instructions. It works well.
This is what I have done too, but I see cyan casts (in highlights) and grain on rolls 5 to 8 (esp rolls 7 and 8).
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It's a bit strange, I've never had such problems. I'll try to describe exactly what I do (even though it's mostly repeating the instructions, but I want to avoid any misunderstanding):
I use Jobo 1500 which can accomodate up to four reels with 35mm film or 2 reels with 120 film. But I always use only two films: 35/35, 120/120 or 35/120.
I use a Jobo CPE-2, which rotates at about 30 rpm, reversing rotation after two revolutions.
For each session I use about 400ml of solutions which I return back to the 500ml bottles.
I use the uniform temperature of 38 deg.Celsius for the whole process.
In each batch of 1/2 liter:
1. Preheat the closed tank with the films for 5' .
2. Develop: 3'15" for films 1-2, 3'30" for films 3-4, 3'45" for films 5-6 and 4'00" for films 7-8 .
3. Stop development in the 4% solution of citric acid, for 30" .
4. Bleach fix: 4'00" for films 1-2, 6' for films 3-4, 10' for films 5-6 and 15' for films 7-8 .
5. Rinse: I exchange water in the tank every 30" or so, for the total of about 5' .
6. Stabilize: 1' .
No rinsing after the stabilizer.
I keep the working solutions in half-liter bottles (cola, sprite, or anything like this) and press them so that there is no air left above the liquid (be careful to keep the bottles locked if you have children). I haven't observed any problems even if two or three months passed between films 1-2 and 7-8.
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