I've only been able to grow mold in my ammonium citrate platinum developer in the bottle w/the cap on. I found it weird, filtered it out and it worked fine. On Jul 12, 2013, at 10:23 PM, Peter Badcock <peter.badcock@xxxxxxxxx> wrote: > On 13 July 2013 00:50, <emanmb@xxxxxxxxx> wrote: >> Omg how long did they leave that stuff sitting out? > > Oh, about a few weeks !! I normally left my Acetic acid SB out that long in > the past with no problems !! >