Shop ph testing meter

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$231.99
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
Free shipping
$231.99
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
$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
$254.48
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
80
$254.48
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
80
$124.47
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.47
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$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
3
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$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
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$80.80
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
$80.80
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
671
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
671
$44.99
Digital Soil Ph Meter - One
Gurney's
$44.99
Digital Soil Ph Meter - One
Gurney's
$79.96
HM Digital PH-200 Waterproof Ph/Temp Meter For Testing
Hydrobuilder
374
$79.96
HM Digital PH-200 Waterproof Ph/Temp Meter For Testing
Hydrobuilder
374
$194.99
Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
Agriculture Solutions LLC
$194.99
Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
Agriculture Solutions LLC
$234.99
Handheld Ph Meter Waterproof Ph Meter With 0.01 Resolution - 1 / Each / 1 / Each
Grayline Medical
$234.99
Handheld Ph Meter Waterproof Ph Meter With 0.01 Resolution - 1 / Each / 1 / Each
Grayline Medical
$298.00
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$298.00
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$1,054.72
$1,290.00
Thermo Scientific Orion Star A2110, Orion Star A211 PH Benchtop Meter, STARA2110
TEquipment
18% off
$1,054.72
$1,290.00
Thermo Scientific Orion Star A2110, Orion Star A211 PH Benchtop Meter, STARA2110
TEquipment
$29.99
Ph Tester - One
Gurney's
$29.99
Ph Tester - One
Gurney's
$188.25
Milwaukee Ph Meter W/ATC
MoreWine
378
$188.25
Milwaukee Ph Meter W/ATC
MoreWine
378
$424.35
Benchtop Ph-Mv Meter - 0 To 14 Ph Range
Sper Direct
$424.35
Benchtop Ph-Mv Meter - 0 To 14 Ph Range
Sper Direct
$768.99
Oakton Instruments PH 700 Benchtop Meter - METER, PH 700, WITH PROBE - WD-35419-03 - 1 Each / Each
Grayline Medical
$768.99
Oakton Instruments PH 700 Benchtop Meter - METER, PH 700, WITH PROBE - WD-35419-03 - 1 Each / Each
Grayline Medical
$672.00
TQC Sheen Ph Meter Kit - Portable Ph And Temperature Meter
Industrial Physics
$672.00
TQC Sheen Ph Meter Kit - Portable Ph And Temperature Meter
Industrial Physics
$726.00
Starter Set - Ph/Temperature Measuring Instrument For Semi-Solid Media
Testo
$726.00
Starter Set - Ph/Temperature Measuring Instrument For Semi-Solid Media
Testo
$219.96
HM Digital HM-200 Ph/EC/TDS/Temp Monitor - Portable Meter
Hydrobuilder
$219.96
HM Digital HM-200 Ph/EC/TDS/Temp Monitor - Portable Meter
Hydrobuilder
$219.00
Extech PH220-C Ph Meter With Temperature, Waterproof Palm
Globaltestsupply.com
1
$219.00
Extech PH220-C Ph Meter With Temperature, Waterproof Palm
Globaltestsupply.com
1
$99.00
REED R3500 Ph Meter
Globaltestsupply.com
2
$99.00
REED R3500 Ph Meter
Globaltestsupply.com
2
$425.99
Basic Ph Meter Set - 1 / Each / 1 / Each
Grayline Medical
$425.99
Basic Ph Meter Set - 1 / Each / 1 / Each
Grayline Medical
$58.65
Digital Ph Pen - Large Display, Item 850051 - Digital ATC Ph Pen
Sper Direct
$58.65
Digital Ph Pen - Large Display, Item 850051 - Digital ATC Ph Pen
Sper Direct
$488.75
Testo 205 T-Handle Ph Meter/Thermometer W/ Penetration Tip
Globaltestsupply.com
$488.75
Testo 205 T-Handle Ph Meter/Thermometer W/ Penetration Tip
Globaltestsupply.com
$34.00
Milwaukee Digital Ph Meter - 0-14 Ph Range
MoreWine
16
$34.00
Milwaukee Digital Ph Meter - 0-14 Ph Range
MoreWine
16
$800.00
Orion Star A221 Ph Portable Meter
The Lab Depot
$800.00
Orion Star A221 Ph Portable Meter
The Lab Depot
$124.01
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
1
$124.01
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
1
$1,960.00
Orion Star A214 Ph/ISE Benchtop Meter With Stand
The Lab Depot
$1,960.00
Orion Star A214 Ph/ISE Benchtop Meter With Stand
The Lab Depot
$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
$256.00
TQC Sheen Phtestr 30 Waterproof Ph Meter
Industrial Physics
$256.00
TQC Sheen Phtestr 30 Waterproof Ph Meter
Industrial Physics
$10.80
Tenma 72-6783 Meter, Ph, 0Ph To 14Ph, 0.01Ph, 0.2% | Ph Meters
Newark
$10.80
Tenma 72-6783 Meter, Ph, 0Ph To 14Ph, 0.01Ph, 0.2% | Ph Meters
Newark
How to Calibrate and Use a pH Meter
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How to Calibrate and Use a pH Meter
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The 5 Best Soil pH Testers & Meters (2025 Reviews)
The 5 Best Soil pH Testers & Meters (2025 Reviews)
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How to test and adjust your soil pH
Jun 20, 2017
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“How to Calibrate a pH Meter for Water (Fast & Accurate Step-by-Step Guide)”
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HI98100 Checker® Plus pH Tester
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HI98100 Checker® Plus pH Tester
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Shop ph testing meter

Sponsored
About our ads
$231.99
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
Free shipping
$231.99
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
$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
$254.48
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
80
$254.48
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
80
$124.47
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.47
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$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
3
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$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
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$80.80
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
$80.80
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
671
$37.20
HM Digital PH-80 Ph/Temp Meter For Hydroponics & Gardening
Hydrobuilder
671
$44.99
Digital Soil Ph Meter - One
Gurney's
$44.99
Digital Soil Ph Meter - One
Gurney's
$79.96
HM Digital PH-200 Waterproof Ph/Temp Meter For Testing
Hydrobuilder
374
$79.96
HM Digital PH-200 Waterproof Ph/Temp Meter For Testing
Hydrobuilder
374
$194.99
Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
Agriculture Solutions LLC
$194.99
Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
Agriculture Solutions LLC
$234.99
Handheld Ph Meter Waterproof Ph Meter With 0.01 Resolution - 1 / Each / 1 / Each
Grayline Medical
$234.99
Handheld Ph Meter Waterproof Ph Meter With 0.01 Resolution - 1 / Each / 1 / Each
Grayline Medical
$298.00
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$298.00
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$115.90
Hach Pocket Pro Ph Tester 9531000E
PoolZoom.com
1
$1,054.72
$1,290.00
Thermo Scientific Orion Star A2110, Orion Star A211 PH Benchtop Meter, STARA2110
TEquipment
18% off
$1,054.72
$1,290.00
Thermo Scientific Orion Star A2110, Orion Star A211 PH Benchtop Meter, STARA2110
TEquipment
$29.99
Ph Tester - One
Gurney's
$29.99
Ph Tester - One
Gurney's