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pH Meters
pH Meters
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EC/MC/TDS Meters
Calibration Solutions
Calibration Solutions
Aqua Master Tools Calibration Solution - pH 4.01 - 500 ml - 8 Count
Aqua Master Tools Calibration Solution - pH 4.01 - 500 ml - 8 Count
In Stock: 10
$112.59 $140.00 -20%
Grow1 Liquid Filled Pressure Gauge - 0-100 PSI
Grow1 Liquid Filled Pressure Gauge - 0-100 PSI
In Stock: 116
$40.50 $45.00 -10%
Aqua Master Tools E60 Pro Conductivity Meter - 8.66 x 1.58 x 1.58-in
Aqua Master Tools E60 Pro Conductivity Meter - 8.66 x 1.58 x 1.58-in
In Stock: 45
$61.16 $77.95 -22%
Aqua Master Tools Calibration Solution EC 1413 100ml (18pcs/Case)
Aqua Master Tools Calibration Solution EC 1413 - 100 ml - 18 Count
In Stock: 10
$92.00 $117.00 -21%
HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meter
HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp Meter
In Stock: 22
$216.32 $284.95 -24%
HM Digital Hydromaster Portable - pH/TDS/EC/Temp Meter
HM Digital Hydromaster Portable - pH/TDS/EC/Temp Meter
In Stock: 9
$213.57 $274.95 -22%
Aqua Master Tools S300 Pro 2 Substrate pH/Temp
Aqua Master Tools S300 Pro 2 Substrate pH/Temp Meter - 0.0-14.0 pH Range - 90 cm Electrode Cord
In Stock: 13
$110.57 $139.95 -21%
Aqua Master Tools E300 Pro EC Electrode
Aqua Master Tools E300 Pro EC Electrode - Stainless Steel - Replacement for Substrate EC/Temp Meter E300 Pro
In Stock: 5
$64.89 $79.95 -19%
Aqua Master Tools Calibration Solution - pH 7.00 - 100 ml - 18 Count
Aqua Master Tools Calibration Solution - pH 7.00 - 100 ml - 18 Count
In Stock: 5
$96.59 $121.50 -21%
Aqua Master Tools Calibration Solution pH 4.01 20ml Sachet
Aqua Master Tools Calibration Solution - pH 4.01 - 20 ml Sachet
In Stock: 9
$40.89 $50.00 -18%
HM Digital Pro Series Pen-Style pH/Temp Meter - IP-67 Waterproof - 0-14 pH Range
HM Digital Pro Series Pen-Style pH/Temp Meter - IP-67 Waterproof - 0-14 pH Range
In Stock: 65
$85.05 $99.95 -15%
HM Digital pH 4.0 buffer solution - 20 packets of 20 ml
HM Digital pH 4.0 Buffer Solution - 20 x 20 ml Packets - 20 Count
In Stock: 17
$21.53 $24.95 -14%
Aqua Master Tools S300 Pro 2 pH Electrode
Aqua Master Tools S300 Pro 2 pH Electrode - BNC Connector - Glass Tip
In Stock: 14
$54.88 $69.95 -22%
Aqua Master Tools UTP Cable for C800 Pro Controller - 1.5 m (4.9 ft)
Aqua Master Tools UTP Cable for C800 Pro Controller - 1.5 m (4.9 ft)
In Stock: 5
$15.04 $15.95 -6%
HM Digital Professional Series EC/TDS/Temp Meter (Long)
HM Digital Professional Series EC/TDS/Temp Meter (Long) - 7.28 x 1.34 x 1.34-in - IP-67 Waterproof - 0-9990 µS
In Stock: 7
$89.87 $99.95 -10%
HM Digital pH 7.0 buffer solution - 20 packets of 20 ml
HM Digital pH 7.0 Buffer Solution - 20 Packets of 20 ml
In Stock: 29
$21.53 $24.95 -14%
HM Digital Replacement TDS/EC sensor for COM-100
HM Digital Replacement TDS/EC Sensor for COM-100 - Measures EC, TDS and Temperature
In Stock: 2
$30.49 $34.95 -13%
HM Digital Replacement pH sensor for HM-500/ HM-200
HM Digital Replacement pH Sensor for HM-500 and HM-200 Meters
In Stock: 31
$49.38 $54.95 -10%
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