Shop TDs and EC Meter for Cannabis

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$19.94
HM Digital TDS-3 Handheld TDS/EC/Temp Meter
Hydrobuilder
11
$19.94
HM Digital TDS-3 Handheld TDS/EC/Temp Meter
Hydrobuilder
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
25% off
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$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$20.29
Vivosun Ph & TDS Combo Meter
Hydrobuilder
$20.29
Vivosun Ph & TDS Combo Meter
Hydrobuilder
$99.95
Hanna Instruments Groline Waterproof EC/TDS/Temp Tester
Hydrobuilder
$99.95
Hanna Instruments Groline Waterproof EC/TDS/Temp Tester
Hydrobuilder
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
725
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
$34.95
$42.95
HM Digital COM-80 Hydrotester Series EC/TDS Meter
HTG Supply
18% off
$34.95
$42.95
HM Digital COM-80 Hydrotester Series EC/TDS Meter
HTG Supply
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$259.95
Hanna Instruments Groline Waterproof Pocket Ph/EC/TDS/Temp Tester
Hydrobuilder
$259.95
Hanna Instruments Groline Waterproof Pocket Ph/EC/TDS/Temp Tester
Hydrobuilder
$976.86
EC Meter For Soil And Water
Certified MTP
$976.86
EC Meter For Soil And Water
Certified MTP
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$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
$127.95
HM Digital COM-300 Pro Series Ph/TDS/EC/Temp Meter
Hydrobuilder
$127.95
HM Digital COM-300 Pro Series Ph/TDS/EC/Temp Meter
Hydrobuilder
$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
$260.40
Hanna Instruments Groline Portable Waterproof Ph/EC/TDS Meter
Hydrobuilder
$260.40
Hanna Instruments Groline Portable Waterproof Ph/EC/TDS Meter
Hydrobuilder
$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
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$36.78
7 in 1 Backlight PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Meter Tester
motorgenic.com
Free shipping
$36.78
7 in 1 Backlight PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Meter Tester
motorgenic.com
$18.61
Verlacod Digital PH Meter 7 in 1 Ph/Orp/Ec/Temp/Salt/S.G/Tds Water Quality Tester High Precision Portable Water Purity Tester For Drinking Water Swimm
Walmart
$18.61
Verlacod Digital PH Meter 7 in 1 Ph/Orp/Ec/Temp/Salt/S.G/Tds Water Quality Tester High Precision Portable Water Purity Tester For Drinking Water Swimm
Walmart
$78.76
Pro HM Digital EC/TDS Testing And Monitoring Meter, COM-100
Sonnys' Direct
$78.76
Pro HM Digital EC/TDS Testing And Monitoring Meter, COM-100
Sonnys' Direct
$55.20
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
167
$55.20
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
$116.91
HM Digital COM-360, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$116.91
HM Digital COM-360, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$56.96
$58.72
Everpure Digital Pocket TDS Meter EV650020
FiltersFast.com
$56.96
$58.72
Everpure Digital Pocket TDS Meter EV650020
FiltersFast.com
$316.00
Hach Pocket Pro+ Multi 1 Tester For Cond/TDS/Salinity With Replaceable Sensor 9532700
Core & Main
$316.00
Hach Pocket Pro+ Multi 1 Tester For Cond/TDS/Salinity With Replaceable Sensor 9532700
Core & Main
$71.43
HM Digital COM-100L, Waterproof Professional Series EC/TDS Meter
Selectum
$71.43
HM Digital COM-100L, Waterproof Professional Series EC/TDS Meter
Selectum
$59.00
AERO-GRO Digital 5-In-1 Meter: 5 Functions: Ph, TDS, EC, Salinity%, Salinity Ppm, And Temp, IP67 Waterproof, Pen-Type Tester For Hydroponics, Water,
Amazon.com
Free shipping
$59.00
AERO-GRO Digital 5-In-1 Meter: 5 Functions: Ph, TDS, EC, Salinity%, Salinity Ppm, And Temp, IP67 Waterproof, Pen-Type Tester For Hydroponics, Water,
Amazon.com
$279.99
Bluelab Combo Meter For Ph, Temperature & Conductivity In Water - Easy Calibration, Digital EC/TDS/PPM Tester For Hydroponics & Indoor Plants (METCOM)
Amazon.com
Free shipping
$279.99
Bluelab Combo Meter For Ph, Temperature & Conductivity In Water - Easy Calibration, Digital EC/TDS/PPM Tester For Hydroponics & Indoor Plants (METCOM)
Amazon.com
$116.91
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$116.91
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
Selectum
$40.78
7 in 1 Digital Salinity PH TDS TEMP SG EC ORP Tester Water Quality Monitor Meter
vipih.com
$40.78
7 in 1 Digital Salinity PH TDS TEMP SG EC ORP Tester Water Quality Monitor Meter
vipih.com
$27.99
Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
Amazon.com
263
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Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
Amazon.com
$31.73
$33.40
Tucker USA Handheld TDS Meter
Signature Solar
$31.73
$33.40
Tucker USA Handheld TDS Meter
Signature Solar
$104.00
Bluelab Truncheon Nutrient Meter, Digital Conductivity Tester In Water (EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System And Indoor Plant Grow
Amazon.com
Free shipping
$104.00
Bluelab Truncheon Nutrient Meter, Digital Conductivity Tester In Water (EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System And Indoor Plant Grow
Amazon.com
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Shop TDs and EC Meter for Cannabis

Sponsored
About our ads
$19.94
HM Digital TDS-3 Handheld TDS/EC/Temp Meter
Hydrobuilder
11
$19.94
HM Digital TDS-3 Handheld TDS/EC/Temp Meter
Hydrobuilder
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
25% off
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$20.29
Vivosun Ph & TDS Combo Meter
Hydrobuilder
$20.29
Vivosun Ph & TDS Combo Meter
Hydrobuilder
$99.95
Hanna Instruments Groline Waterproof EC/TDS/Temp Tester
Hydrobuilder
$99.95
Hanna Instruments Groline Waterproof EC/TDS/Temp Tester
Hydrobuilder
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
725
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
$34.95
$42.95
HM Digital COM-80 Hydrotester Series EC/TDS Meter
HTG Supply
18% off
$34.95
$42.95
HM Digital COM-80 Hydrotester Series EC/TDS Meter
HTG Supply
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$259.95
Hanna Instruments Groline Waterproof Pocket Ph/EC/TDS/Temp Tester
Hydrobuilder
$259.95
Hanna Instruments Groline Waterproof Pocket Ph/EC/TDS/Temp Tester
Hydrobuilder
$976.86
EC Meter For Soil And Water
Certified MTP
$976.86
EC Meter For Soil And Water
Certified MTP
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$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
$127.95
HM Digital COM-300 Pro Series Ph/TDS/EC/Temp Meter
Hydrobuilder
$127.95
HM Digital COM-300 Pro Series Ph/TDS/EC/Temp Meter
Hydrobuilder
$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
$260.40
Hanna Instruments Groline Portable Waterproof Ph/EC/TDS Meter
Hydrobuilder
$260.40
Hanna Instruments Groline Portable Waterproof Ph/EC/TDS Meter
Hydrobuilder
$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
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP
$251.32
Groline Hydroponic Waterproof Ph/EC/TDS/Temperature Tester
Certified MTP