Ilford ID-11

rrphoto

Newbie
Local time
11:25 PM
Joined
Aug 9, 2011
Messages
4
Hi guys,
I use ID-11 as my developer, its great stuff and its dirt cheap.
My question is, say I make up 1 litre of the stuff and use 375ml each time I develop a roll of film and then pore the used stuff back into the batch, how long will it last?
I've been doing this since I started developing film a couple of months ago but never got to the point where the developer wsn't working because the stuff got contaminated after just a few uses.
Any ideas?
Thanks
Rob
 
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