Selling my rarely used Hanna checkers..
salinity tester. Calibration solution good until 2028 $50 shipped
Alkalinity tester with open reagent more than 50% left . Good until March 2025 $40 shipped
Take both for $80 shipped
salinity tester. Calibration solution good until 2028 $50 shipped
Alkalinity tester with open reagent more than 50% left . Good until March 2025 $40 shipped
Take both for $80 shipped