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#2
02-17-2010, 04:10 AM
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Which device did you want to calibrate, the PH monitor or the TDS tester? If it's the PH monitor, you should be able to get the fluid from your LFS. If it's the TDS tester, I wouldn't bother to calibrate it. It's testing water conductivity. It won't drift too far. Beside, you are always trying to aim for 0ppm with your ro-di water.
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