Quote:
Originally Posted by Wheelman76
Wow , I did the same and picked up a Salifert kit a couple weeks ago just to see and the difference was only 0.5 dkh. And typically Salifert always reads 0.5 ish higher than Hanna. So my reagent seems fine even though it's on the naughty list.
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That's the same exact difference I got testing with RedSea...