Hanna Storage Solution PintpintTo minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of HI 70300 storage or pH 7.01 buffer solution in the protective cap.
Hanna Hydroponics pH Tester (HI99104)1 unitHI 99104 is an ideal pocket tester designed with a 0.01 pH resolution and two point manual calibration through easy to reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. It has a long and slim stem, ideal for measurements in small samples or test tubes. HI 99104 is supplied with a rugged, plastic body electrode with a screw connector that allows for quick and easy electrode replacement. Additionally, it's low power demand allows for 1000 hours of battery life with common 1.5V batteries.384458350