How do I know when my Dev is past it?

Freester

Freester

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Mark
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Hi there,

I made up some ID11 stock less than a month ago. I've kept it in a half full container (one of them squishy compressible plastic bottles) but when I poured out my 300mm for 1 film it looks a distinct yellow colour. According to the ID11 info it should last 1 month in a half full container.

Do you think this batch is spent?

Thanks in advance.

Mark F
 
Think I've answered my own question here. I mixed up a fresh litre of stock. It isn't as yellow as the old stuff. Not going to risk it (it was only 200mm anyway).
 
My experience of stock ID11 (Kodak D76) was that it improved with age. Tonally that is! A month is about as much as you could expect but I've gone past "sell by date" without worry.
 
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