Hanna Instruments Shockproof Rubber Boot HI710030 - Green Silicone Case for GroLine & HI991000 Meters acidity tester With automatic calibration and 5

With automatic calibration and 5 memorized calibration points

Rinsing the electrode with the HI70000P rinsing solution will flush away mineral deposits and other coatings

Glass Electrode Body

the HI981074 Pool Line tester delivers the accuracy and convenience you need

Hanna Instruments Shockproof Rubber Boot HI710030 - Green Silicone Case for GroLine & HI991000 Meters acidity tester With automatic calibration and 5Protect your GroLine and portable meters with the Hanna Instruments HI710030 shockproof rubber boot. This premium green silicone protective case is custom molded for the HI9814 GroLine pH EC TDS meter, HI991000 family of portables, and select thermistor based thermometers, providing superior drop protection and enhanced grip for demanding hydroponics, agriculture, and water testing applications. Superior Protection Features: Impact resistant design: