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To minimize clogging and ensure a quick response time, the tip and the junction should be kept moist. Replace protective cap with a few drops of a Storage Solution HI 70300M), or in its absence, pH 4 buffer (HI 7004M).NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER.
Rinse the electrode with clean water after use before putting it away and store it wet. Periodically clean the electrode thoroughly, by leaving it soaking for 10 to 15 minutes in a cleaning solution (HI 7061M).The surface of the platinum electrode must be clean and smooth. To clean the ORP electrode, rinse it briefly in turpentine, then wash it with abundant water and polish it with a light abrasive lint-free (emery) material, if necessary. The surface of the platinum electrode must not be scratched in the process and all traces of these cleaning substances must be rinsed off.
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The life of your pH electrode is not infinite. A number of factors affect the life span of your pH electrode. The higher the temperature that the electrode is used at, the more extreme the pH, how often the bulb dries out and needs to be rehydrated, how roughly it is used; all these factors and more shorten the life span of your electrode. Read this white paper to find out how to take care of your pH electrode.