What other print developers are there that provide long tray and storage life, with as simple and undemanding a replenishment regime - essentially top up the bottle regularly - as LPD?
None that I know of.
What other print developers are there that provide long tray and storage life, with as simple and undemanding a replenishment regime - essentially top up the bottle regularly - as LPD?
For me, ID62 does exactly that. https://tinker.koraks.nl/photography/brilliant-id-in-praise-of-id62-all-purpose-developer/
Long tray life: well, long enough to last a session of multiple hours.
Storage life: concentrate in semi-full bottle lasts for about a year; never went beyond that because by that time it's used up. Working stock keeps for 2 months easily (probably longer) in entirely full bottle.
Simple and undemanding replenishment: pour back the working stock into bottle, add a little concentrate and top up with water; I never measure it and just aim for approx. 1+2.
The main drawback, evidently, is that I need to mix the concentrate from dry chemistry because ID62 isn't for sale AFAIK. It's possible that some of the ready-made developers out there on the market are very clsoe or even identical, or at least work the same. There's nothing outlandish in ID62 chemistry-wise; to the contrary - it's all 1950s technology!
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