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I was given a few bottles of nutrients from a friend that is no longer able to garden hydroponics. (due to wife's health / time issues) He gave me his "left overs" when I mentioned I'd like to try growing a few veggies this year hydroponically. He had enough FloraGro, FloraBloom and FloraMicro to get me started, but he said the bottles were a few years old and he wasn't sure if they go bad after sitting for a while.
Since there is not an expiration date on these bottles and I'm new to this stuff . . . My question is, do these go bad after a few years? Is there a "shelf life" on hydro nutrients or should they be ok to use?
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