>Does oxalic acid dyhydrate degrade and lose effectiveness once the tub or
package is opened?
On a package of OA that I purchased has a best by date that is 2 years out. I purchased the OA about three months ago and the best by date is July of 2022. Of course, it needs to be stored at 70 degrees F or lower and in a sealed container from the humidity.
Jamie Beyer 🐝
-----Original Message-----
From: Randy Oliver <[log in to unmask]>
To: [log in to unmask]
Sent: Tue, Nov 24, 2020 10:58 am
Subject: Re: [BEE-L] Shelf life of oxalic acid
>Does oxalic acid dyhydrate degrade and lose effectiveness once the tub or
package is opened?
It absorbs a bit of water, but otherwise is quite stable.
Randy
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