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Old 02/18/2020, 08:43 AM   #1
Oldude
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Salt shelf life?

Any idea if salt has a shelf life? I am assuming so as I recently bought some Reefers Best salt from a friend who used to be in the hobby but packed it in about a year ago and had a couple of boxes left over. I believe the salt is now 2-3 years old but it was still sealed in its original packaging inside sealed boxes. That said he is a heavy smoker and I can actually smell the smoke that permeated through the plastic into the salt when I do a water change. (yuck) Anyway I have to use about 25% more salt from this batch than I used to when I used that brand to get it to the proper salinity value on my refractometer and it also turns cloudy instead of dissolving clear the way it should. Thoughts?


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Old 02/18/2020, 08:48 AM   #2
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For the most part no it really doesn't... Some salt mixes may contain organics that will degrade overtime though..
The salt may separate a bit too so its best to stir/roll the bucket,etc.. to try to remix the salt


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Old 02/18/2020, 05:25 PM   #3
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It's probably fine if the smoke doesn't cause problems and the calcium and carbonate haven't combined. If there's not much reside and the calcium and alkalinity levels are fine, the age isn't a problem.


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Old 02/18/2020, 07:30 PM   #4
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Okay thanks. So far the corals don't seem to mind so I will keep using it.


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Old 02/18/2020, 08:24 PM   #5
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I suspect the tank will be fine.


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Old 02/26/2020, 05:51 AM   #6
five.five-six
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As long as the bags have been sealed and the salt hasn’t gotten hard I would say it’s fine.


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