Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accuracy. Immerse the electrode in the proper cleaning solution for about 5 minutes.
HANNA® offers a wide range of cleaning solutions, for general purpose and specific applications, to eliminate all kind of dirt or deposit from the electrode, and thus ensure correct measurements.
HI3811 CTK Alkalinity
HI98128 pH/°C-Tester (0.01 pH resolution) - waterproof
HI5007 - 7.01 pH@25°C - TQ - 500ml 


