Just checking in with other's experience here. I tend to develop film once a year-usually over an intense two week period. I bought the large size from PF last year and developed a lot of film in February-first time I had any amount left over worth saving. When I was caught up I added very clean marbles to reduce air exposure, put the cap on tight and stuck the bottles in my darkroom fridge. I got the PC out yesterday, shot some test negatives and did a run, the developer is dead as a doornail. I half expected this and that is why I ran test shots. I'm not complaining. The stuff is very economical and I had used most of the bottle.
Would that be typical shelf life exhaustion in your experience? Could I have done anything else to preserve it better? One of these days I'll get into mixing my own but for right now what do you think about off the shelf shelf life of this and my methods?
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