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Old 30th January 2020, 07:59 PM
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GoodOldNorm GoodOldNorm is offline
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Default Developer shelf life

Pyrocat hd lasts for years and so does the original Rodinal, here is a little experiment https://healthprofessions.udmercy.ed...m/phenvitc.htm
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Old 30th January 2020, 08:59 PM
John King John King is offline
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Default get a life!

ID11 and Perceptol when stored in glass bottles, well in excess of 2 years. As for losing activity, ID11 is reputed to gain activity, I.E. be more active a couple of weeks after mixing

I suppose the same can be said for D76, cos they are supposed to be the same concoction. (but I have seen differing formulae)
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Old 31st January 2020, 09:21 AM
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My experience of ID11 will last at least a year in plastic. I cannot say it will last longer as I have usually used it all by then
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