Thread: Good ph/ppm meters?
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Old 10-17-2007, 10:18 AM
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Amys3977 Amys3977 is offline
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You can get a great TDS meter on ebay for 18.95. Thats what I use. I never have a problem. I dropped mine in my res. once and it still worked I just had to calibrate it and you can buy the calibration solution on ebay also.
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