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23 My pH electrode is drifting. What should I do?   istek 1410
22 Why will my pH system no longer autocalibrate?   istek 1367
21 Do I need an Automatic Temperature Compensation (ATC) probe?   istek 1340
20 What is a good pH electrode slope range?   istek 1296
19 Do pH buffers and filling solutions have a shelf-life?   istek 1317
18 How do I clean my pH electrode?   istek 1413
17 How do I store my pH electrode?   istek 1445
16 What pH electrode do I use for a specific application?   istek 1344
15 What is the difference between blue glass and amber glass, a..   istek 1378
14 If measuring the entire range of pH what slope should be use..   istek 1350
13 What is dead band?   istek 1316
12 How do I extend the ATC wire on my industrial pH electrodes?   istek 1420
11 How far can my pH electrode be from my meter? What if it is ..   istek 1381
10 How can you unclog a pH electrode? How can you restore a dry..   istek 1455
9 How often do I need to calibrate my pH meter?   istek 1269
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