Shop pH and EC Meters for Hydroponics

Sponsored
About our ads
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$74.95
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$74.95
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$392.70
Testo 206 Compact Ph Tester For Liquids Starter Kit, Ph1
Globaltestsupply.com
$392.70
Testo 206 Compact Ph Tester For Liquids Starter Kit, Ph1
Globaltestsupply.com
$798.00
HI99165 HANNA INSTRUMENTS - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$798.00
HI99165 HANNA INSTRUMENTS - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$13.29
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
19K+
16% off
$13.29
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
11% off
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
$24.99
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
88
$24.99
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
$249.99
Groline Hydroponic Waterproof Pocket Ph/EC/TDS/Temperature Tester (HI98131)
LED Lights Depot
$249.99
Groline Hydroponic Waterproof Pocket Ph/EC/TDS/Temperature Tester (HI98131)
LED Lights Depot
$585.00
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor With Inline Probe
Hydrobuilder
$585.00
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor With Inline Probe
Hydrobuilder
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
491
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
$287.95
HM Digital HM-500 Continuous Ph/EC/TDS/Temp Monitor
Hydrobuilder
1
$287.95
HM Digital HM-500 Continuous Ph/EC/TDS/Temp Monitor
Hydrobuilder
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
141
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
$195.00
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
54
$195.00
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
$28.99
Hydrogen Water Tester,Digital ORP Meter For Drinking Water,6-In-1 Ph TDS Tester,Ph ORP TDS EC H2 And Temperature Meter For Drinking Water, Hydroponics
Amazon.com
8
$28.99
Hydrogen Water Tester,Digital ORP Meter For Drinking Water,6-In-1 Ph TDS Tester,Ph ORP TDS EC H2 And Temperature Meter For Drinking Water, Hydroponics
Amazon.com
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
300
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$296.65
Milwaukee Instruments MC811US - Ph/EC/Temp Monitor W/Mounting Kit, 14.0 To 140.0°F
TEquipment
$296.65
Milwaukee Instruments MC811US - Ph/EC/Temp Monitor W/Mounting Kit, 14.0 To 140.0°F
TEquipment
$199.95
$289.95
HM Digital Hydromaster HM-100 Ph/EC/TDS/Temp Monitor
HTG Supply
31% off
$199.95
$289.95
HM Digital Hydromaster HM-100 Ph/EC/TDS/Temp Monitor
HTG Supply
$1,082.59
OAKTON PC 450 WD-35630-10 Ph/ORP/EC Meter With Combo Probe
Globaltestsupply.com
$1,082.59
OAKTON PC 450 WD-35630-10 Ph/ORP/EC Meter With Combo Probe
Globaltestsupply.com
$311.30
Milwaukee MC125 - PRO Digital Ph/ORP Controller
TEquipment
$311.30
Milwaukee MC125 - PRO Digital Ph/ORP Controller
TEquipment
$459.95
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor
Hydrobuilder
$459.95
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor
Hydrobuilder
$124.01
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
1
$124.01
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
$542.30
Testo 206 Compact Ph Tester For Semi-Solid Substances Starter Kit, Ph2
Globaltestsupply.com
$542.30
Testo 206 Compact Ph Tester For Semi-Solid Substances Starter Kit, Ph2
Globaltestsupply.com
$234.00
Extech EC510 Waterproof Exstik II Ph/Conductivity Meter Kit, Electrode
Global Industrial
141
$234.00
Extech EC510 Waterproof Exstik II Ph/Conductivity Meter Kit, Electrode
Global Industrial
$557.05
Groline Waterproof Ph/EC/TDS/Temperature Hydroponics Meter
Certified MTP
$557.05
Groline Waterproof Ph/EC/TDS/Temperature Hydroponics Meter
Certified MTP
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$769.82
PH-RX-CHLORINE METER VEOLIA - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$119.78
$164.99
Hanna Groline Soil EC Tester
HTG Supply
27% off
$119.78
$164.99
Hanna Groline Soil EC Tester
HTG Supply
$1,584.99
Hanna Instruments HI98195 Waterproof Multiparameter Meter - Ph, ORP, EC, Pressure & Temperature, 10m Cable (32.8')
Blue Tiger Scientific
$1,584.99
Hanna Instruments HI98195 Waterproof Multiparameter Meter - Ph, ORP, EC, Pressure & Temperature, 10m Cable (32.8')
Blue Tiger Scientific
$313.00
Elite Ph Spear Pocket Tester, Thermo Orion - ELITEPHSPEAR
The Lab Depot
$313.00
Elite Ph Spear Pocket Tester, Thermo Orion - ELITEPHSPEAR
The Lab Depot
$1,929.99
Hanna Instruments HI98194 Multiparameter Waterproof Meter - Measures Ph, EC, TDS, Salinity, DO, Pressure, And Temperature, 4m Cable (13')
Blue Tiger Scientific
$1,929.99
Hanna Instruments HI98194 Multiparameter Waterproof Meter - Measures Ph, EC, TDS, Salinity, DO, Pressure, And Temperature, 4m Cable (13')
Blue Tiger Scientific
$201.00
Hach Pocket Pro Ph Tester 9531000
Core & Main
$201.00
Hach Pocket Pro Ph Tester 9531000
Core & Main
$820.35
$911.50
Myron L 722II Analog Ph Monitor And Controller | Serv-A-Pure
Serv-A-Pure
10% off
$820.35
$911.50
Myron L 722II Analog Ph Monitor And Controller | Serv-A-Pure
Serv-A-Pure
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP
$2,044.00
$3,130.00
Orion Versa Star Benchtop Meter Kit With Ph And Conductivity Modules
The Lab Depot
34% off
$2,044.00
$3,130.00
Orion Versa Star Benchtop Meter Kit With Ph And Conductivity Modules
The Lab Depot

Shop pH and EC Meters for Hydroponics

Sponsored
About our ads
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$74.95
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$74.95
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$392.70
Testo 206 Compact Ph Tester For Liquids Starter Kit, Ph1
Globaltestsupply.com
$392.70
Testo 206 Compact Ph Tester For Liquids Starter Kit, Ph1
Globaltestsupply.com
$798.00
HI99165 HANNA INSTRUMENTS - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$798.00
HI99165 HANNA INSTRUMENTS - Sensors & Switches & PH/ORP Transmitter Supplies
Radwell.com
$13.29
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
19K+
16% off
$13.29
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
11% off
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
$24.99
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
88
$24.99
GISNPA 5-In-1 Salt Water Pool Tester, Ph/TDS/EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Water Tester For Drinking Water, Hydroponics,
Amazon.com
$249.99
Groline Hydroponic Waterproof Pocket Ph/EC/TDS/Temperature Tester (HI98131)
LED Lights Depot
$249.99
Groline Hydroponic Waterproof Pocket Ph/EC/TDS/Temperature Tester (HI98131)
LED Lights Depot
$585.00
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor With Inline Probe
Hydrobuilder
$585.00
Hanna Instruments Groline Ph/EC/TDS & Temp Monitor With Inline Probe
Hydrobuilder
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
491
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
$287.95
HM Digital HM-500 Continuous Ph/EC/TDS/Temp Monitor
Hydrobuilder
1
$287.95
HM Digital HM-500 Continuous Ph/EC/TDS/Temp Monitor
Hydrobuilder
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
141
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
$195.00
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
54
$195.00
Milwaukee MW802 - PRO 3-In-1 Ph/EC/TDS Combo Meter With ATC
TEquipment
$28.99
Hydrogen Water Tester,Digital ORP Meter For Drinking Water,6-In-1 Ph TDS Tester,Ph ORP TDS EC H2 And Temperature Meter For Drinking Water, Hydroponics
Amazon.com
8
$28.99
Hydrogen Water Tester,Digital ORP Meter For Drinking Water,6-In-1 Ph TDS Tester,Ph ORP TDS EC H2 And Temperature Meter For Drinking Water, Hydroponics
Amazon.com
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
300
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot