Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes, 4.00 & 7.00 pH, 4 oz & 8 oz

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📊 Calibrate like a pro — precision that keeps you ahead of the curve!

The Apera Instruments AI1108 pH Calibration Buffer Solution Kit offers ultra-precise pH calibration with ±0.01 accuracy, certified by NIST standards. Manufactured in an ISO 9001:2015 facility using premium reagents, it features color-coded, double-sealed bottles with a 2-year shelf life, ensuring reliable and hassle-free calibration for pH/ORP electrodes.