I've been using ILFORD Multigrade developer but it seems to have a short tray life and it's difficult to keep fresh in an opened bottle. Before I know it, it's turned brown. Perhaps I'm doing something wrong, but I'd like to switch to something with a longer life. I believe there was a recent thread on this but I can't seem to find it. Any suggestions? I've been using ILFORD paper but plan to try Foma in the near future.
I've been using ILFORD Multigrade developer but it seems to have a short tray life and it's difficult to keep fresh in an opened bottle. Before I know it, it's turned brown. Perhaps I'm doing something wrong, but I'd like to switch to something with a longer life. I believe there was a recent thread on this but I can't seem to find it. Any suggestions? I've been using ILFORD paper but plan to try Foma in the near future.
I've been using ILFORD Multigrade developer but it seems to have a short tray life and it's difficult to keep fresh in an opened bottle. Before I know it, it's turned brown. Perhaps I'm doing something wrong, but I'd like to switch to something with a longer life. I believe there was a recent thread on this but I can't seem to find it. Any suggestions? I've been using ILFORD paper but plan to try Foma in the near future.
There is little that hasa longer tray life than Kodak Dektol aka D72.
Arthur when you say Multigrade has a short tray life, are you saying it dies during a printing session or you leave it uncovered to use the next day? I've never had this issue. My favourite developers are Ansco 130 and LPD, which i use for sale or exhibition prints. The rest of my work is done with Multigrade bought in the 5 litre jugs because it's economical and i can get it locally. I've never had issues with it, even when it's changed colour. Can you elaborate?I've been using ILFORD Multigrade developer but it seems to have a short tray life and it's difficult to keep fresh in an opened bottle. Before I know it, it's turned brown. Perhaps I'm doing something wrong, but I'd like to switch to something with a longer life. I believe there was a recent thread on this but I can't seem to find it. Any suggestions? I've been using ILFORD paper but plan to try Foma in the near future.
Are you kidding? The fact the stuff died after one day at working strength was mainly (along with the godawful stains on everything) the reason I moved to LPD decades ago.
LPD is still far and away my favorite paper developer.
I really, really hate Dektol. (The results are fine but it doesn't last and it leaves even places you'd swear you got it all up a blue-black mess later.)
Photographer's Formulary sells a developer called "Liquidol". It was devised to have a longer life than other paper developers, by Ron Mowrey (Photo Engineer here, RIP) and someone else.
I've been using it mostly for the last five years or so, and my anecdotal experience is that it does indeed last longer than Ilford MG developer. and when I switched back and forth (due to immediate availability) I couldn't detect any differences in performance between the two. So I've found my answer to the question.
Yes it would appear that PE's Liquidol does have an extended life. Is it now made by Photographer's Formulary or some company for PF? I wonder how the formula was discovered as I don't recall Ron being prepared to release it or maybe he was obligated not to?
pentaxuser
Having been in the Formulary many times over the years. They're not just a wholesale dealer. They package and manufacture. Not many similar places in the photo world. I'd bet they make the Liquidol. As a matter of fact when it came out they gave me some to try out.Liquidol was co-designed by Ron Mowrey and Bill Troop and at least marketed through Photographer's Formulary. The instructions lead me to the conclusion that it is manufactured by or for Photographer's Formulary as well.
One problem with MQ developers like D-72/Dektol is capacity, it's much lower than a PQ developer as Metol is inhibited by Bromide build up. In recent years I've tended to print less frequently, but when I do these are often long sessions of exhibition prints, 8-10 hours a day. I mix my own PQ paper developers to commercial strength.
Ian
I like the convenience of Multigrade. I have nothing but good to say about its image quality.
I recently changed to LPD powder partly due to the posts about replenishment. Even if you did not replenish, LPD will support more DR sessions than Multigrade. I’m staying with LPD. I currently go through a gallon of stock inside 3 months so can’t report on long term storage. My bet is LPL stored in hard plastic 1l containers filled to the top achieves 6 months storage.
When a stock solution turns deep amber the image degrades start in how tones are split (micro-contrast) after the working solution develops a few prints. I hate non productive DR sessions so for me its not worth the risk to use solutions past a point. Sure oxidized developer develops an image but can you expect the print to sparkle.
Bromophen
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