Nutrient Tester Calibration Solution - A ready-to-use 2,8mS standard solution that is suitable for calibrating your ETI Nutrient Tester.
Easy to use - makes verifying the calibration simple.
Although your tester is calibrated during manufacture, it is recommended that you regularly recalibrate your HortiCare Nutrient Tester to maintain the desired accuracy of the tester and provide optimal and reliable results. Supplied in a 90 ml bottle.
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