pH, PPM and other Meters
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General Hydroponics pH Test Kits
Starting at: $14.99
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BlueLab Ph Probe
Regular Price: $99.95
Special Price $67.60
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Calibration Solutions
Starting at: $13.99
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PH-80: pH HydroTester
Regular Price: $78.99
Special Price $65.99
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TDS-3 Handheld TDS Meter With Carrying Case
Regular Price: $46.99
Special Price $20.99
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COM-80: EC/TDS HydroTester
Regular Price: $50.95
Special Price $28.91
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Bluelab Soil PH Meter
$257.99Out of stock
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Bluelab Leap pH Probe
Regular Price: $171.00
Special Price $98.00
Out of stock
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MILWAUKEE PH METER 0-14 PH
$169.99