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Regulator dial to control amount of water flow when cleaning filter cartridges
keeping your water clean
and body fats
everything needed for a full two-point pH calibration and ORP electrode verification
and battery status display
Hanna Instruments pH & ORP Calibration Buffer Solution Sachets inbuilt Regulator dial to control amountEnsure accurate and reliable calibration of your pH and ORP sensor with these NIST traceable Hanna Instruments buffer solution sachets. The kit includes pH 4. 01, pH 7. 0, and a 470mV ORP test solution, everything needed for a full two point pH calibration and ORP electrode verification. Features: Includes 3x pH 4. 01, pH 7. 0, and 470mV ORP sachets 20ml per sachet
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