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Past President
Joined
Mar 26, 2010
Messages
18,870
Checked my refractometer recently. It was perfect. As usual. Tank was at 1.024 instead of 1.025
 
Guest
Joined
Oct 28, 2019
Messages
1,915
I spot checked my Hanna checker against my Red Sea kit. Either they’re both wrong or the Hanna checker is keeping steady. I’m about to crack a new bottle of reagent though, and I recently read someone having trouble with different readings from new reagent bottles. It will be interesting to see if that has any impact, hopefully not.
 
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