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23 My pH electrode is drifting. What should I do?   istek 1406
22 Why will my pH system no longer autocalibrate?   istek 1364
21 Do I need an Automatic Temperature Compensation (ATC) probe?   istek 1338
20 What is a good pH electrode slope range?   istek 1292
19 Do pH buffers and filling solutions have a shelf-life?   istek 1314
18 How do I clean my pH electrode?   istek 1411
17 How do I store my pH electrode?   istek 1442
16 What pH electrode do I use for a specific application?   istek 1341
15 What is the difference between blue glass and amber glass, a..   istek 1374
14 If measuring the entire range of pH what slope should be use..   istek 1348
13 What is dead band?   istek 1313
12 How do I extend the ATC wire on my industrial pH electrodes?   istek 1416
11 How far can my pH electrode be from my meter? What if it is ..   istek 1377
10 How can you unclog a pH electrode? How can you restore a dry..   istek 1452
9 How often do I need to calibrate my pH meter?   istek 1267
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