Hanna Fluoride High Range Checker® HC Calibration Check Set - HI739-11 aquarium TDS meter pH electrode: MA917B/1 glass

pH electrode: MA917B/1 glass

BPA-Free: Yes

MA919B/1 Wine probe features include a Large PTFE Reference that helps prevent wine junction stains and clogging

Package: Bottles - size 230 mL

Hanna Fluoride High Range Checker® HC Calibration Check Set - HI739-11 aquarium TDS meter pH electrode: MA917B/1 glassThe Fluoride High Range Checker HC Calibration Check Set HI739 11 provides a simple solution to validating the Fluoride High Range Checker HC HI739 that has a range of 0. 0 to 20. 0 ppm (mg L) fluoride. This high quality set of standards is manufactured in our state of the art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when