Shop ph tester hydroponics

Sponsored
About our ads
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$26.22
General Hydroponics GH1514 Ph Control Kit
Fresh Water Systems
$26.22
General Hydroponics GH1514 Ph Control Kit
Fresh Water Systems
$15.19
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
28K+
$15.19
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
$22.99
$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
20% off
$22.99
$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
$131.15
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
3
$131.15
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
$195.60
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
Grainger
$195.60
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
Grainger
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
52% off
$321.86
$677.60
Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
RestaurantSupply.com
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8°F Model: PH90
Grainger
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8°F Model: PH90
Grainger
$99.73
Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
Grainger
2
$99.73
Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
Grainger
$22.99
CIZTADA Ph Meter For Water 4 in 1 Ph EC TDS Temp Meter For Hydroponics PPM And EC Water Tester Digital Ph PPM Meter For Nutrients Growing Hydroponics
Amazon.com
129
$22.99
CIZTADA Ph Meter For Water 4 in 1 Ph EC TDS Temp Meter For Hydroponics PPM And EC Water Tester Digital Ph PPM Meter For Nutrients Growing Hydroponics
Amazon.com
$190.74
Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563416
Grainger
$190.74
Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563416
Grainger
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
625
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
$20.34
VIVOSUN Digital PH Meter, 3-In-1TDS EC And Temperature Meter, Plant Soil Moisturetester Combo For Home, Garden And Hydroponics
Amazon.com
1K+
$20.34
VIVOSUN Digital PH Meter, 3-In-1TDS EC And Temperature Meter, Plant Soil Moisturetester Combo For Home, Garden And 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
272
$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
$20.59
$31.99
Ph Meter, 3-In-1 TDS Meter Digital Water Tester With 0.01 High Precision, Water Tester For Drinking Water With 0-14 Ph Test Range, TDS/Temp/Ph Tester
Amazon.com
1K+
35% off
$20.59
$31.99
Ph Meter, 3-In-1 TDS Meter Digital Water Tester With 0.01 High Precision, Water Tester For Drinking Water With 0-14 Ph Test Range, TDS/Temp/Ph Tester
Amazon.com
$99.95
Hanna Groline Waterproof Hydroponic Ph/Temp Tester
Hydrobuilder
$99.95
Hanna Groline Waterproof Hydroponic Ph/Temp Tester
Hydrobuilder
$29.99
Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
Amazon.com
25
$29.99
Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
Amazon.com
$112.53
Ohaus Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.05 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Auto Model: ST20
Grainger
$112.53
Ohaus Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.05 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Auto Model: ST20
Grainger
$15.71
General Hydroponics Ph Test Color Match Control Kit Garden Meter
eBay
237
Free shipping
$15.71
General Hydroponics Ph Test Color Match Control Kit Garden Meter
eBay
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
35
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
$28.99
$31.99
GIDIGI Ph Meter Digital Display Color Screen 4 in 1 Ph Tester Ph EC TDS Temp Water Quality Test Pen Suitable For Home Planting Hydroponics Swimming
Amazon.com
20
$28.99
$31.99
GIDIGI Ph Meter Digital Display Color Screen 4 in 1 Ph Tester Ph EC TDS Temp Water Quality Test Pen Suitable For Home Planting Hydroponics Swimming
Amazon.com
$230.49
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Ph Model: WD-35634-14
Grainger
$230.49
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Ph Model: WD-35634-14
Grainger
$49.99
Tilswall Digital Ph Meter With ATC For Water, Pool, Aquarium, Hydroponics
Tilswall US
$49.99
Tilswall Digital Ph Meter With ATC For Water, Pool, Aquarium, Hydroponics
Tilswall US
$11.50
VIVOSUN Digital Ph Meter, 0.01Ph High Accuracy Pen Type Ph Tester For Hydroponics, Household Drinking, Pool And Aquarium, Black, UL Certified(Ph Meter/Black)
kreaagency
$11.50
VIVOSUN Digital Ph Meter, 0.01Ph High Accuracy Pen Type Ph Tester For Hydroponics, Household Drinking, Pool And Aquarium, Black, UL Certified(Ph Meter/Black)
kreaagency
$52.99
Hanna Instruments Groline Tester - Hydroponics Ph
Sylvane
3
$52.99
Hanna Instruments Groline Tester - Hydroponics Ph
Sylvane
$296.49
Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563446
Grainger
$296.49
Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563446
Grainger
$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
625
$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
$11.19
VIVOSUN Digital Ph Meter, 0.01Ph High Accuracy Pen Type Ph Tester For Hydroponics, Household Drinking, Pool And Aquarium, UL Certified
kreaagency
$11.19
VIVOSUN Digital Ph Meter, 0.01Ph High Accuracy Pen Type Ph Tester For Hydroponics, Household Drinking, Pool And Aquarium, UL Certified
kreaagency
$39.97
LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium Water Test Pen
Inspire Uplift
$39.97
LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium Water Test Pen
Inspire Uplift
$249.00
YSI Ph/EC1030A - Ph/Condysiph/Ec1030auctivity/TDS/Temperature Pen Tester | Tequipment
TEquipment
$249.00
YSI Ph/EC1030A - Ph/Condysiph/Ec1030auctivity/TDS/Temperature Pen Tester | Tequipment
TEquipment
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$92.78
Ph Meter Ph Tds Ec S.G Temp Water Quality Tester Hydroponics Data
eBay
$92.78
Ph Meter Ph Tds Ec S.G Temp Water Quality Tester Hydroponics Data
eBay
$167.00
YSI Ph10a Ph Temperature Pen Tester | Tequipment
TEquipment
$167.00
YSI Ph10a Ph Temperature Pen Tester | Tequipment
TEquipment
$155.14
AC Infinity Hydroponic Meter PRO Kit - Ph, EC, TDS Tester
Hydrobuilder
30-day returns (most items)
$155.14
AC Infinity Hydroponic Meter PRO Kit - Ph, EC, TDS Tester
Hydrobuilder
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    Shop ph tester hydroponics

    Sponsored
    About our ads
    $42.00
    HM Digital PH-80 Ph Hydrotester
    Cannon Water Technology
    $42.00
    HM Digital PH-80 Ph Hydrotester
    Cannon Water Technology
    $26.22
    General Hydroponics GH1514 Ph Control Kit
    Fresh Water Systems
    $26.22
    General Hydroponics GH1514 Ph Control Kit
    Fresh Water Systems
    $15.19
    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
    28K+
    $15.19
    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
    $22.99
    $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
    20% off
    $22.99
    $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
    $131.15
    Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
    Grainger
    3
    $131.15
    Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
    Grainger
    $195.60
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
    Grainger
    $195.60
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
    Grainger
    $321.86
    $677.60
    Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
    RestaurantSupply.com
    52% off
    $321.86
    $677.60
    Micro Matic USA PH-METER PH Tester Digital Water Testing Kit With Auto Calibration | Commercial Restaurant Supply
    RestaurantSupply.com
    $220.08
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8°F Model: PH90
    Grainger
    $220.08
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8°F Model: PH90
    Grainger
    $99.73
    Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
    Grainger
    2
    $99.73
    Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
    Grainger
    $22.99
    CIZTADA Ph Meter For Water 4 in 1 Ph EC TDS Temp Meter For Hydroponics PPM And EC Water Tester Digital Ph PPM Meter For Nutrients Growing Hydroponics
    Amazon.com
    129
    $22.99
    CIZTADA Ph Meter For Water 4 in 1 Ph EC TDS Temp Meter For Hydroponics PPM And EC Water Tester Digital Ph PPM Meter For Nutrients Growing Hydroponics
    Amazon.com
    $190.74
    Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563416
    Grainger
    $190.74
    Oakton Pocket Ph Tester: -2 Ph To 16 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: 3563416
    Grainger
    $37.20
    HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
    Hydrobuilder
    625
    $37.20
    HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
    Hydrobuilder
    $20.34
    VIVOSUN Digital PH Meter, 3-In-1TDS EC And Temperature Meter, Plant Soil Moisturetester Combo For Home, Garden And Hydroponics
    Amazon.com
    1K+
    $20.34
    VIVOSUN Digital PH Meter, 3-In-1TDS EC And Temperature Meter, Plant Soil Moisturetester Combo For Home, Garden And 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
    272
    $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
    $20.59
    $31.99
    Ph Meter, 3-In-1 TDS Meter Digital Water Tester With 0.01 High Precision, Water Tester For Drinking Water With 0-14 Ph Test Range, TDS/Temp/Ph Tester
    Amazon.com
    1K+
    35% off
    $20.59
    $31.99
    Ph Meter, 3-In-1 TDS Meter Digital Water Tester With 0.01 High Precision, Water Tester For Drinking Water With 0-14 Ph Test Range, TDS/Temp/Ph Tester
    Amazon.com
    $99.95
    Hanna Groline Waterproof Hydroponic Ph/Temp Tester
    Hydrobuilder
    $99.95
    Hanna Groline Waterproof Hydroponic Ph/Temp Tester
    Hydrobuilder
    $29.99
    Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
    Amazon.com
    25
    $29.99
    Ph Meter For Hydroponics PPM EC Meter For Plant Nutrients Simultaneous Measurement Of Ph Conductivity TDS Temperature For Reservoir Tank Water DWC
    Amazon.com
    $112.53
    Ohaus Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.05 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Auto Model: ST20
    Grainger
    $112.53
    Ohaus Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.05 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Auto Model: ST20
    Grainger