720ppm of Ca?!!!!
Hello,
Just received my Salifert dkH test kit so decided to give the system a routine test. Here are the interesting and puzzling results:
Ca = 720 ppm
dkH = 10.6
What the???!!! I used the Hagen's Calcium test kit and counted 36 drops of Reagent 3. So 36 * 20 = 720 ppm.
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