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Salifert expiration date (?)

1236 Views 2 Replies 3 Participants Last post by  guitarherowanab
I have a Salifert Magnesium test kit that I bought online a little over a year ago. All the media used in the test is down to about 20% left.

I went a long time without using it (6mos)..... But had all the content/media in a large Ziploc bag. I threw away the box shortly after buying the kit.

Is there an "expiration date" on the box?????

Because I began testing for Mag again two weeks ago and it tested Mag at 900. I started dosing Mag every other day and then tested Mag every third day.....the test results always keep coming back at around 900. So I'm pretty confident my Salifert Mag kit has expired giving me skewed results.

Since I threw away the box, I have no idea when or if the kit expired. All I got to go on is the batch numbers on some of the media bottle.

Anyone have any insight?
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