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> Enhancing contrast - help and advice appreciated |
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#11
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"WORKING SOLUTION LIFE BROMOPHEN stock solution should last for up to:- 6 months in full capped containers 3 month in a half full tightly capped container. Working strength MULTIGRADE developer, PQ UNIVERSAL and BROMOPHEN left in an open dish should not be kept for more than one working day. If stored in a tightly capped bottle they may last up to 24 hours." |
#12
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It is always better mix developer fresh for each session, or if you don't then at the end of the session pour the mixed developer into a bottle, but it really is a false ecconmey to re use developer, it can go off really quickly and result in longer developing times and really flat prints. Richard
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#13
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Thanks to everyone - answers
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I feel very foolish as I did indeed have enlarger set to white light unfiltered. Having addressed this,contrast issue pretty much gone away (well certainly a major step forwards for a keen amateur !) Thank-you to everyone for all your kind efforts to assist me. |
#14
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Good news . It's an easy mistake to make so don't feel foolish, I've done it myself and I expect just about everyone on this forum has at least one tale to tell about darkroom mishaps!
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#15
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While the contrast is "worlds better" as I would expect, it is still worth considering whether keeping dev for 3-4 sessions is false economy.
Simple test: Do a print in the old stuff, decant it into a bottle, make up fresh and re-do the same print. Depending on what if any improvement you see, you will be able to judge if 3-4 sessions for the same dev is OK. Even if OK I'd still be inclined to dump the old stuff on this occasion and switch to the new as you have made it up anyway but at least you will know how long the old stuff lasts for the future. Mike |
#16
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Tony |
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colour enlarger, contrast, problems |
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