Does Hanna alk reagent need to be refrigerated?

[areefer01]

It's not a debate. Do what makes you feel good. I've given my advice.

Let me give them the thread Lasses started. As you pointed out though - do what makes you feel good

Important findings according how to store open bottles of the reagent for Hanna Marine alkalinity checkers

There is a way to hinder the Hanna alk to show lesser and lesser dKH (or ppm for that matter) with age of open reagent bottle. I had the same story as many have reported here - my reading decrease from a new open bottle with time. Double check with another method show that there was not a real...

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