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A Radical New Design
17 series for 347V)
Dimensions & weight
AC Thermostat with piggy back plug
24 Months Unopened
Nutri+ pH 4 Calibration Solution 500ML 9673 A Radical New DesignNutri+ pH 4 Calibration Solution 500ML These calibration solutions allow you to recalibrate a pH meter that is giving improper readings. In order to properly calibrate a pH meter, you must have a test solution with a known pH level. These solutions will have you calibrate your meter until it gives a reading of 4 or 7 that matches the bottle.
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