Thread: Does your pH controller read too high or too low when it needs to be calibrated?
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Old 02-15-2010, 01:54 PM
imcosmokramer imcosmokramer is offline
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it could be either. Also, make sure to rinse the probe in ro/di water every once in a while to ensure that nothing is obstructing the sensor.
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Last edited by imcosmokramer; 08-14-2011 at 07:35 AM.
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