That's a good question. I always assumed fish emulsion fertilizer couldn't get more disgusting, but I guess it could. Since the plants can't use the proteins in fish, I would think it would be pre-rotted as part of the manufacturing process, leaving it as seemingly immortal as a zombie. That's my SWAG, Tim > -----Original Message----- > From: pbs [mailto:pbs-bounces@lists.ibiblio.org] On Behalf Of Linda Foulis > Sent: Thursday, February 23, 2017 11:16 PM > To: Pacific Bulb Society > Subject: [pbs] Fertilizer shelf life > > Hello all, > > Does liquid fertilizer go bad? I see no best by, use by, suggested toss date on > the bottle. > > Linda Foulis > > Zone nothing, it's winter > Close to the Rockies, Alberta, Canada > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/