(2 month reagent supply) Alk, Ca/Mg testing ** Calibration solutions have been

** Calibration solutions have been discontinued

79L) reagent C which equates to approximately 5 x 6months worth using common testing frequencies

5 L reagent C bottle

*2 month supply based on common testing frequencies of automated systems

(2 month reagent supply) Alk, Ca/Mg testing ** Calibration solutions have beenReagent 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 automated 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