Hanna Free and Total Chlorine CAL Check Standards - HI93414-11 industrial EC meter Unlike traditional salt-based softeners that

Unlike traditional salt-based softeners that strip minerals and require constant maintenance

compost the mineral media and place the plastic housing in your curbside recycling bin

Long-lasting supply of electrolyte

Measures Total Disolved (TDS) direct and with automatic temperature compensation

Hanna Free and Total Chlorine CAL Check Standards - HI93414-11 industrial EC meter Unlike traditional salt-based softeners thatThe HI93414 11 Free and Total Chlorine CAL Check Standards provide a simple solution to calibrating and validating compatible benchtop and portable photometers. 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 certifying compatible free and total chlorine