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Hydroponic pH Testers
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#HN-SRL035
American Hydroponics IntelliDose Complete American Hydroponics IntelliDose Complete
 

Price:

$1,799.99

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#HN-SRL029
American Hydroponics 4 Part Solenoid Board American Hydroponics 4 Part Solenoid Board
 

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$424.99

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#HN-SRL031
American Hydroponics pH Mini Bare Bones Monitor American Hydroponics pH Mini Bare Bones Monitor
 

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$579.99

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#HN-SRL027
American Hydroponics pH Mini Monitor Complete American Hydroponics pH Mini Monitor Complete
 

Price:

$714.99

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#HN-SRL026
American Hydroponics pH Mini Doser Complete American Hydroponics pH Mini Doser Complete
 

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$829.99

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#HN-SRL025
General Hydroponics pH Control Kit General Hydroponics pH Control Kit
 

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$29.99

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#HN-HDR074
Waterproof PC Tester - 35 - EC & pH Waterproof PC Tester - 35 - EC & pH
 

Price:

$241.99

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#HN-HDR949
Waterproof pt. Tester - 35 - pH & TDS Waterproof pt. Tester - 35 - pH & TDS
 

Price:

$241.99

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#HN-HDR950
American Hydroponics 1 Part Solenoid Board American Hydroponics 1 Part Solenoid Board
 

Price:

$114.99

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#HN-SRL032
pH Tester - 30 - .01 pH Accuracy Temperature Display pH Tester - 30 - .01 pH Accuracy Temperature Display
 

Price:

$217.99

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#HN-HDR958
BlueLab Combo Meter BlueLab Combo Meter
 

Price:

$299.99

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#HN-HDR247
Milwaukee pH Hand Meter SM101 Milwaukee pH Hand Meter SM101
 

Price:

$169.99

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#HN-HDR914
Waterproof pH/Temperature Meter Waterproof pH/Temperature Meter
 

Price:

$167.99

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#HN-HDR745
American Hydroponics pH Stock Tank Kit - 1 Part American Hydroponics pH Stock Tank Kit - 1 Part
 

Price:

$84.99

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#HN-SRL028
Guardian Monitor Guardian Monitor
 

Price:

$349.99

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#HN-HDR253
American Hydroponics 27.7 CF Calibration Solution American Hydroponics 27.7 CF Calibration Solution
 

Price:

$19.99 to $99.99

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#HN-SRL023
Soil pH Meter Soil pH Meter
 

Price:

$249.99

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

Price:

$189.99

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#HN-HDR957
Oakton pH Tester - 10 - .1 pH Accuracy ATC Oakton pH Tester - 10 - .1 pH Accuracy ATC
 

Price:

$177.99

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

Price:

$141.99

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#HN-HDR955
Oakton Replaceable Electrodes pH Waterproof 2 Pen Oakton Replaceable Electrodes pH Waterproof 2 Pen
 

Price:

$109.99

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#HN-HDR954
Replacement Probe for MW801 & MW802 Only Replacement Probe for MW801 & MW802 Only
 

Price:

$139.99

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

Price:

$129.99

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#HN-HDR948
Replacement Sensor Replacement Sensor
 

Price:

$143.99

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

Price:

$113.99

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#HN-HDR910
Probe pH Electrode Probe pH Electrode
 

Price:

$103.99

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

Price:

$199.99

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#HN-HDR248
Double Junction pH Probe for MW100 Double Junction pH Probe for MW100
 

Price:

$87.99

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#HN-HDR912
pH Tester with 1 Point Manual Calibration pH Tester with 1 Point Manual Calibration
 

Price:

$59.99

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#HN-HDR911
American Hydroponics Twin Relay Box American Hydroponics Twin Relay Box
 

Price:

$204.99

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#HN-SRL034
Soil pH Probe Soil pH Probe
 

Price:

$109.99

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

Price:

$79.99

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#HN-HDR250
Oakton Waterproof EcoTester pH1 Oakton Waterproof EcoTester pH1
 

Price:

$74.99

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#HN-HDR027
BlueLab Guardian Monitor Power Supply BlueLab Guardian Monitor Power Supply
 

Price:

$39.99

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#HN-HDR252
Hydrofarm Active Air 2-Way pH and Moisture Meter Hydrofarm Active Air 2-Way pH and Moisture Meter
 

Price:

$19.99

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#HN-HDR082
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