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Waterproof pt. Tester - 35 - pH & TDS
Waterproof pt. Tester - 35 - pH & TDS
 

Price:

$290.99

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#HN-HDR950
Waterproof pH/Temperature Meter
Waterproof pH/Temperature Meter
 

Price:

$179.99

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#HN-HDR745
Soil pH Meter
Soil pH Meter
 

Price:

$264.99

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#HN-HDR249
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#HN-HDR958
Oakton pH Tester - 20 - .01 pH Accuracy ATC
Oakton pH Tester - 20 - .01 pH Accuracy ATC
 

Price:

$222.99

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#HN-HDR957
BlueLab Combo Meter
BlueLab Combo Meter
 

Price:

$334.99

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7%
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#HN-HDR247
Oakton pH Tester - 10 - .1 pH Accuracy ATC
Oakton pH Tester - 10 - .1 pH Accuracy ATC
 

Price:

$209.99

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#HN-HDR956
Oakton pH Testers Replacement Sensor
Oakton pH Testers Replacement Sensor
 

Price:

$163.99

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#HN-HDR955
Waterproof EcoTester - pH2
Waterproof EcoTester - pH2
 

Price:

$149.99

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#HN-HDR948
Replacement Sensor
Replacement Sensor
 

Price:

$165.99

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#HN-HDR951
Milwaukee Waterproof PH Tester
Milwaukee Waterproof PH Tester
 

Price:

$134.99

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#HN-HDR910
Probe pH Electrode
Probe pH Electrode
 

Price:

$122.99

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#HN-HDR934
BlueLab pH Meter with Probe
BlueLab pH Meter with Probe
 

Price:

$239.99

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#HN-HDR248
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#HN-HDR954
Milwaukee pH Hand Meter SM101
Milwaukee pH Hand Meter SM101
 

Price:

$140.99

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#HN-HDR914
Guardian Monitor
Guardian Monitor
 

Price:

$303.99

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28%
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#HN-HDR253
Soil pH Probe
Soil pH Probe
 

Price:

$124.99

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#HN-HDR251
pH Replacement Electrode for Combo & pH Meter
pH Replacement Electrode for Combo & pH Meter
 

Price:

$78.99

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#HN-HDR250
Waterproof PC Tester - 35 - EC & pH
Waterproof PC Tester - 35 - EC & pH
 

Price:

$152.99

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#HN-HDR949
pH Tester with 1 Point Manual Calibration
pH Tester with 1 Point Manual Calibration
 

Price:

$58.99

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#HN-HDR911
BlueLab Guardian Monitor Power Supply
BlueLab Guardian Monitor Power Supply
 

Price:

$49.99

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#HN-HDR252
General Hydroponics pH Control Kit
General Hydroponics pH Control Kit
 

Price:

$25.99

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#HN-HDR074
Hydrofarm ActiveAir 3-Way pH with Light and Moisture Meter
Hydrofarm ActiveAir 3-Way pH with Light and Moisture Meter
 

Price:

$17.99

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#HN-HDR083
Batteries for pH/TDS Pen - 1.4v - Pack of 4
Batteries for pH/TDS Pen - 1.4v - Pack of 4
 

Price:

$17.99

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22%
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#HN-HDR586
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