In general the shelf life is about a year, sometimes 2 if you keep em cool and dark.
Opie Yutts Reviewed by Opie Yutts on . can liquid nutrients go bad? the tiger bloom i bought a couple months ago has turned brownish. i was wondering if this stuff goes bad? id hate to give my plant something that will harm it, but i also dont want to buy more considering i only have one plant to feed. Rating: 5