I have lost faith in Salifert alkalinity test kits. They really seem to vary. The one I have now reads 2 dKH lower than the Elos and the Hanna Colorimeter, and the Salifert alk kit I had before that read 3 dKH lower. That's pretty frustrating.
Thanks for voting everyone! Lots of interesting information here...everyone is all over the charts!
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~ Mindy
SPS fanatic.
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