Response to PMK and Delta 120

I have times for developing 120 film in PMK on my site at Unblinkingeye.com. If your PMK stock solution A gets very dark, discard it, as it will give uneven results--otherwise, it should be good. I keep mine in a dark glass bottle and it keeps for about a year. The less air that is in the bottle, the longer it will last. A full bottle with no air should keep for a couple of years.

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