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

Price:

$227.99

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#HN-HDR957
BlueLab Combo Meter
BlueLab Combo Meter
 

Price:

$334.92

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

Price:

$213.99

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

Price:

$170.99

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#HN-HDR955
Replacement Probe for MW801 & MW802 Only
Replacement Probe for MW801 & MW802 Only
 

Price:

$167.99

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#HN-HDR913
Waterproof EcoTester - pH2
Waterproof EcoTester - pH2
 

Price:

$155.99

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#HN-HDR948
Replacement Sensor
Replacement Sensor
 

Price:

$172.99

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#HN-HDR951
Waterproof pH/Temperature Meter
Waterproof pH/Temperature Meter
 

Price:

$167.99

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#HN-HDR745
General Hydroponics pH Control Kit
General Hydroponics pH Control Kit
 

Price:

$29.99

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#HN-HDR074
Soil pH Meter
Soil pH Meter
 

Price:

$264.96

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#HN-HDR249
BlueLab pH Meter with Probe
BlueLab pH Meter with Probe
 

Price:

$239.99

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#HN-HDR248
BlueLab Guardian Monitor Power Supply
BlueLab Guardian Monitor Power Supply
 

Sale Price:

$49.25

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#HN-HDR252
Oakton Replaceable Electrodes pH Waterproof 2 Pen
Oakton Replaceable Electrodes pH Waterproof 2 Pen
 

Price:

$131.99

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

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$146.28

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#HN-HDR914
Double Junction pH Probe for MW100
Double Junction pH Probe for MW100
 

Price:

$105.99

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#HN-HDR912
Milwaukee Waterproof PH Tester
Milwaukee Waterproof PH Tester
 

Price:

$136.99

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#HN-HDR910
Probe pH Electrode
Probe pH Electrode
 

Price:

$124.99

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#HN-HDR934
Soil pH Probe
Soil pH Probe
 

Price:

$129.99

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#HN-HDR251
Waterproof PC Tester - 35 - EC & pH
Waterproof PC Tester - 35 - EC & pH
 

Sale Price:

$173.92

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

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$63.98

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#HN-HDR911
Oakton Waterproof EcoTester pH1
Oakton Waterproof EcoTester pH1
 

Price:

$89.99

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#HN-HDR027
pH Replacement Electrode for Combo & pH Meter
pH Replacement Electrode for Combo & pH Meter
 

Price:

$79.99

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#HN-HDR250
Hydrofarm ActiveAir 3-Way pH with Light and Moisture Meter
Hydrofarm ActiveAir 3-Way pH with Light and Moisture Meter
 

Price:

$19.99

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#HN-HDR083
Hydrofarm Active Air 2-Way pH and Moisture Meter
Hydrofarm Active Air 2-Way pH and Moisture Meter
 

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$19.99

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#HN-HDR082
Batteries for pH/TDS Pen - 1.4v - Pack of 4
Batteries for pH/TDS Pen - 1.4v - Pack of 4
 

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$18.99

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#HN-HDR586
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