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Reload this Page ph/ec household product checks. (HELP!)


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Old 10-20-2007, 11:57 AM
dmc
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Default ph/ec household product checks. (HELP!)
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i just got this used $50 meter but it loses it calibration every day. are there household items that have a set ppm or ph that i could calibrate it to? like for example is there a set ph for hydrogen peroxide or pure lemon juice or something like arrowhead water? haha.
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Old 10-21-2007, 12:50 AM
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How do you know it is losing calibration? Do you have TDS Calibration solution? If not, buy some. If it's battery powered, replace them. You should be good to go.

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