The HI1290 electrode is specifically designed as a replacement probe for the Hanna HI98112 Piccolo 2 pH tester

You can even store cups and glasses underneath the stand to make drinking the filtered water truly on-demand

depleted dissolved oxygen levels

Rinse with deionized or distilled water before calibrating or testing

Bluelab Probe Care Kit – pH & Conductivity | Complete Clean, Calibrate & Maintain Set water dispenser The HI1290 electrode is specificallyBluelab Probe Care Kit pH & Conductivity Everything you need to clean, calibrate, and maintain your pH and conductivity probes in one complete kit. The Bluelab Probe Care Kit is the all in one maintenance solution for growers, lab technicians, and water quality professionals who depend on accurate, reliable probe readings day after day. Neglected probes drift. Dirty junctions give false readings. Dry storage caps shorten probe life. This kit