Hanna Buffer Solution pH 10.01 500ml BottleThe Hanna Buffer Solution pH 10. 01 is a high quality, pre mixed calibration solution ideal for pH meter calibration. Specially formulated to provide precise and stable pH readings, this buffer solution is perfect for laboratory, industrial, and field use. Each 500ml bottle is sealed against contamination and labeled with a lot number and expiration date for accurate traceability and reliability. Designed for accuracy and convenience, it's the trusted