R Reroll Active Member Jan 9, 2017 #1 I've got some FF nutes that have been sitting around for a couple years in a climate controlled area, is there a "best used by" date on nutes at all?
I've got some FF nutes that have been sitting around for a couple years in a climate controlled area, is there a "best used by" date on nutes at all?
The_Enthusiast Active Member Jan 9, 2017 #2 Liquid probably - salt ones (if they aren't exposed to moisture) probably not
chemphlegm Well-Known Member Jan 9, 2017 #3 seems like my old ones develop stones of sorts. This happens when two parts are mixed too. I suspect if nutrients are forming rock balls in the jug there may be some question about what is actually available to mix up next time besides, FF , well, you know.......
seems like my old ones develop stones of sorts. This happens when two parts are mixed too. I suspect if nutrients are forming rock balls in the jug there may be some question about what is actually available to mix up next time besides, FF , well, you know.......
The_Enthusiast Active Member Jan 9, 2017 #4 It's just chemically impossible to mix nutrients in liquid form and have a high concentration and be stable...
It's just chemically impossible to mix nutrients in liquid form and have a high concentration and be stable...
D Dr.Nick Riviera Well-Known Member Jan 9, 2017 #5 smell them, they usually will smell bad if they have gone bad.
chemphlegm Well-Known Member Jan 9, 2017 #6 Dr.Nick Riviera said: smell them, they usually will smell bad if they have gone bad. Click to expand... noticed this with organics but not salts. I've got some bottled sensi from 2006 and it smells like nothing today so far.
Dr.Nick Riviera said: smell them, they usually will smell bad if they have gone bad. Click to expand... noticed this with organics but not salts. I've got some bottled sensi from 2006 and it smells like nothing today so far.