(2 month reagent supply) Alk, Ca/Mg testing

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Reagent solutions for analysis of alkalinity, calcium, and magnesium levels. Can be used to manually test levels of alkalinity, Ca, and Mg of aquarium water. Also Compatible with a utomated testing systems. 2 month supply contains: 0.5 L reagent A (2 X 0.25 L bottles) 0.25 L reagent B bottle 0.25 L reagent C bottle ** Calibration solutions have been discontinued! Please refer to the more accurate “tank water method” of calibration. We have link to Helfpful Tips describing this method. *2 month supply based on common testing frequencies of automated systems Show more