Thread: Ph Probe Calibration Help
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Old 04-12-2010, 07:03 PM
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Jason McK Jason McK is offline
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you should always use 7 and 10 for your Tank PH and 4 and 7 for your Reactor PH.

You will find differences if you switch the 2 that is normal. You need to calibrate to the closest numbers to what your measuring.
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