Do liquid ferts go bad? - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-15-2017, 06:47 PM Thread Starter
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Do liquid ferts go bad?

Hey all, I have been away from planted tanks for a little over a year. I kept all of my liquid Seachem fertilizers (Flourish, Trace, etc.). They have been sitting in my garage since then- are they still okay and potent to use? Thanks.
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post #2 of 3 (permalink) Old 07-15-2017, 07:47 PM
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As long as they haven't lost a significant amount of liquid volume it should be fine. If it has decreased, the % solution increases, thus you're dosing more per capfull or pump.


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post #3 of 3 (permalink) Old 07-15-2017, 08:05 PM
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Quote:
Originally Posted by geektom View Post
Hey all, I have been away from planted tanks for a little over a year. I kept all of my liquid Seachem fertilizers (Flourish, Trace, etc.). They have been sitting in my garage since then- are they still okay and potent to use? Thanks.
I use all the Seachem fertilizers. I did notice the last bottle of Flourish I bought says on the bottle : Keep in fridge if open more than 3 months ? So not sure what's in there that requires refrigeration . I dose pretty heavy, so I don't have any that have been sitting around. Also there is no expiration date on any of them. It is quite probable that they have lost some potency because they are liquid. Dry ferts are good for a long time. I personally would buy new ones, but that's just me.


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