Hanna HI97105-11 CAL Check Calibration Standards - Marine Photometer Cuvette Kit 810666075287 Clean the junction regularly to

Clean the junction regularly to prevent clogging and maintain fast response time

double junction electrode has a pH indicating probe made of general purpose glass and a food grade plastic body

Unlike traditional salt-based water softeners that require constant maintenance and produce wastewater

The HM Digital FLM-3 Consumer Flow Meter—because knowing is better than guessing when it comes to water quality

000 gallons per cartridge set

Hanna HI97105-11 CAL Check Calibration Standards - Marine Photometer Cuvette Kit 810666075287 Clean the junction regularly toThe HI97105 11 CAL Check standards provides a simple solution to calibrating and validating the HI97105 and HI97115 Marine Master Photometers.