Old T-Max developer
Looking for my spare thermometer, i came across a forgotten 'new' (as in: unopened) bottle of T-Max developer today.
It says on the bottle that the concentrate will keep for 2 years, but apart from a lot number, no date.
The lot number is 00 02140
The leading "00" probably indicates the year 2000. Would that be correct?
And if so, does anyone know what will happen if i use it anyway?
I've no idea how long it keeps but I have a part used bottle on my darkroom shelf that's over 20 years old, it still looked like new, clear
Of course it may no longer work but I haven't thrown it out yet, test yours with a bit of film leader see if it develops.
i have heard the leader tests are inaccurate.
developer is inexpensive, time spent shooting
seems like it would have more value than old
possibly tired and dead chemicals ...
Since i 'dropped' 35 mm format some years ago, i'm leaderless anyway.
Inexpensive (about $25), maybe. Yet i would rather buy film for that (that's 5 120 rolls of T-Max).
But most of all, i would want to know.
Know how this stuff behaves over time.
Dump it and get a fresh bottle is the easy way out, which teaches us/me nothing.
(And i want to know how old this batch is. How to read Kodak lot numbers.)
Good enough to indicate whether a developer has collapse, but yes your right you'd need to do better testing if you really wanted to use it.
Originally Posted by jnanian
I will test mine next time I'm in the UK, just out of curiosity, I'll also test some similar age Ilfotec HC, I think the way they are compounded they may not in fact go off. I won't waste good film, I have some that's sat idle needing finishing up.
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Depending on where something is manufactured, it can be easy or hard to know. If your developer was made in France, that would be tough, although 2000 seems probable. If it was made in the USA, this pdf will reveal it.
Originally Posted by Q.G.
By the way, not so long ago, another member tried some expired TMax developer and said he had white spots on his negatives. I wouldn't try it.
Dont trust it. I was given expired tmax and it ruined the roll. Chunks of solidified developer and stains everywhere.
stopped using tmx developer about 16 years ago.
since you are shooting roll film,
that's not bad, you just need to worry about spots on your film
... at least you don't need to worry about dichroic fog
and terrible professional support from big yellow. :rolleyes:
Last edited by jnanian; 09-27-2009 at 08:46 AM. Click to view previous post history.
Reason: Q.C. pointed out i am a bad speeler
"dichrilic fog " You talking about the orange fog from Mick Fagan's bonfire last week ?
It's hard enough when there is only one chril on the film. Heaven forbid there's more of them!
The stuff in my bottle is indeed fabriqué en France.
I think it will be safe to assume it is from 2000. The price sticker still on the bottle is in pre-Euro currency. So it is from before 2001.
The concentrate is (still?) completely clear, with no solids floating around in it.
I think i'll do the same as Ian: try it, but on old film (though embarrassing, i will admit that i have old unused film too). Using like for like may produce wonderul results.
Last edited by Q.G.; 09-27-2009 at 06:47 AM. Click to view previous post history.