I'm after suggestions for a paper developer that has a long shelf life after the liquid concentrate has been opened
I use very little developer 270ml in a Jobo tank [for up to six 4x5 (paper) negatives] and do not develop many over a longish time. Consequently my developer seems to become useless long before I've used it up.
I changed from 1L bottle to 500ml bottles, but wonder if I need to go smaller though the cost per ml increases as the volume decreases.
Regards
Tony
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