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$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
$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
$30.47
Hydrion Ph Test Strips: 1.0 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9800
Grainger
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Hydrion Ph Test Strips: 1.0 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9800
Grainger
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APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
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APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
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Hydrion Ph Pencil: 1.0 Ph, 4 1/2 in Overall Lg, 1/2 in Overall Wd, 75 Tests, Ph [PK/3] Model: p-12m
Grainger
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Hydrion Ph Pencil: 1.0 Ph, 4 1/2 in Overall Lg, 1/2 in Overall Wd, 75 Tests, Ph [PK/3] Model: p-12m
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Environmental Express Oakton Ph 5+ Handheld Meter With ATC, Order Ph Probe Separately | Cole-Parmer
Cole-Parmer
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Environmental Express Oakton Ph 5+ Handheld Meter With ATC, Order Ph Probe Separately | Cole-Parmer
Cole-Parmer
$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
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Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
Grainger
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$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
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Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
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$24.72
Hydrion Ph Paper: 1.0 Ph, 50 ft Overall Lg, 1/2 in Overall Wd, 300 Tests, Ph Model: JR113
Grainger
$24.72
Hydrion Ph Paper: 1.0 Ph, 50 ft Overall Lg, 1/2 in Overall Wd, 300 Tests, Ph Model: JR113
Grainger
$249.20
Reed Instruments Handheld Multiparameter Meter: ORP/Ph/Temp, 0 Ph To 14 Ph, -1,999 Mv To 1,999 Mv Model: R3000SD
Grainger
$249.20
Reed Instruments Handheld Multiparameter Meter: ORP/Ph/Temp, 0 Ph To 14 Ph, -1,999 Mv To 1,999 Mv Model: R3000SD
Grainger
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
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APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
$99.99
Hydrion Ph Test Paper: 0.2 Ph, 15 ft Overall Lg, 1/4 in Overall Wd, 1,000 Tests, Ph [PK/10] Model: 345
Grainger
$99.99
Hydrion Ph Test Paper: 0.2 Ph, 15 ft Overall Lg, 1/4 in Overall Wd, 1,000 Tests, Ph [PK/10] Model: 345
Grainger
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$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
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APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
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$30.47
Hydrion Ph Test Strips: 0.5 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9400
Grainger
$30.47
Hydrion Ph Test Strips: 0.5 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9400
Grainger
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$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
$182.43
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
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Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
$160.29
Apera Grostar GS4 5-In-1 Ph/EC/PPM/Temp Combo Pen
Hydrobuilder
152
$160.29
Apera Grostar GS4 5-In-1 Ph/EC/PPM/Temp Combo Pen
Hydrobuilder
$75.00
Apera Instruments, LLC-AI221 SX610 Waterproof Ph Pen Tester, ±0.1 Ph Accuracy, 0-14.0 Ph Range, Suitable For Test Tube Testing, Replaceable Probe
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$75.00
Apera Instruments, LLC-AI221 SX610 Waterproof Ph Pen Tester, ±0.1 Ph Accuracy, 0-14.0 Ph Range, Suitable For Test Tube Testing, Replaceable Probe
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$70.00
Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
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Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
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Apera Instruments AI317, Premium Series PR60F Dual-Channel Ph/ORP Tester Kit
Selectum
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Apera Instruments AI313, 60 Premium Series Pocket Spear Ph Tester Kit
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$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
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$129.00
$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
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Ph Sticks - Ph Indicator Sticks-Ph Fix: 0-14
The Lab Depot
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Ph Sticks - Ph Indicator Sticks-Ph Fix: 0-14
The Lab Depot
$108.65
Apera Instruments Grostar GS1 Ph Pen For Accurate Testing
Hydrobuilder
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Apera Instruments Grostar GS1 Ph Pen For Accurate Testing
Hydrobuilder
$75.00
Apera Instruments AI221 Ph Pen Tester Kit Suitable For Test Tube Ph Testing
delupe.com
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Apera Instruments AI221 Ph Pen Tester Kit Suitable For Test Tube Ph Testing
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$920.43
Oakton Benchtop Ph Meter: -2 Ph To 16 Ph, +/-0.01 Ph, 0.1 Ph_0.01 Ph Ph Resolution, Mv/Ph/Temp Model: WD-35419-03
Grainger
$920.43
Oakton Benchtop Ph Meter: -2 Ph To 16 Ph, +/-0.01 Ph, 0.1 Ph_0.01 Ph Ph Resolution, Mv/Ph/Temp Model: WD-35419-03
Grainger
$98.85
Apera Instruments Ai209 Ph20 Value Waterproof Ph Pocket Tester, 0.1 Ph Accuracy, 0-14.0 Ph Range, Complete Kit
Walmart
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$98.85
Apera Instruments Ai209 Ph20 Value Waterproof Ph Pocket Tester, 0.1 Ph Accuracy, 0-14.0 Ph Range, Complete Kit
Walmart
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Apera Instruments Value Series Ph20 Waterproof Ph Tester Kit ±0.1 Ph
eBay
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$49.95
Apera Instruments Value Series Ph20 Waterproof Ph Tester Kit ±0.1 Ph
eBay
$158.45
Apera Instruments Ai209-T Value Series Ph20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Walmart
Free shipping
$158.45
Apera Instruments Ai209-T Value Series Ph20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Walmart
$142.19
Apera Instruments Sx620 Ph Pen Tester Kit With 0.01 Ph Accuracy, 3-Point Auto. Calibration, ATC 0.01 Ph (3Pt Calibration)
Walmart
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$142.19
Apera Instruments Sx620 Ph Pen Tester Kit With 0.01 Ph Accuracy, 3-Point Auto. Calibration, ATC 0.01 Ph (3Pt Calibration)
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Apera Instruments AI209 20 Value Series Pocket Ph Tester Kit
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Apera Instruments AI209 20 Value Series Pocket Ph Tester Kit
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Apera Instruments AI5560 Value Series PH850-FT Portable Ph Meter Kit With Flat Ph Electrode
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Apera Instruments AI5560 Value Series PH850-FT Portable Ph Meter Kit With Flat Ph Electrode
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$86.29
Apera Instruments SX610 Waterproof Ph Pen Tester, 0.1 Ph Accuracy, 0-14.0 Ph Range, Suitable For Test Tube Testing, Replaceable Probe
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Apera Instruments SX610 Waterproof Ph Pen Tester, 0.1 Ph Accuracy, 0-14.0 Ph Range, Suitable For Test Tube Testing, Replaceable Probe
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Apera Instruments PH60 pH Tester Quick Start Tutorial
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Shop dr.meter order apera ph test

Sponsored
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$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
$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
$30.47
Hydrion Ph Test Strips: 1.0 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9800
Grainger
$30.47
Hydrion Ph Test Strips: 1.0 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9800
Grainger
$50.22
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
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APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
$77.64
Hydrion Ph Pencil: 1.0 Ph, 4 1/2 in Overall Lg, 1/2 in Overall Wd, 75 Tests, Ph [PK/3] Model: p-12m
Grainger
$77.64
Hydrion Ph Pencil: 1.0 Ph, 4 1/2 in Overall Lg, 1/2 in Overall Wd, 75 Tests, Ph [PK/3] Model: p-12m
Grainger
$455.20
Environmental Express Oakton Ph 5+ Handheld Meter With ATC, Order Ph Probe Separately | Cole-Parmer
Cole-Parmer
$455.20
Environmental Express Oakton Ph 5+ Handheld Meter With ATC, Order Ph Probe Separately | Cole-Parmer
Cole-Parmer
$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
$79.68
$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
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$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
$24.72
Hydrion Ph Paper: 1.0 Ph, 50 ft Overall Lg, 1/2 in Overall Wd, 300 Tests, Ph Model: JR113
Grainger
$24.72
Hydrion Ph Paper: 1.0 Ph, 50 ft Overall Lg, 1/2 in Overall Wd, 300 Tests, Ph Model: JR113
Grainger
$249.20
Reed Instruments Handheld Multiparameter Meter: ORP/Ph/Temp, 0 Ph To 14 Ph, -1,999 Mv To 1,999 Mv Model: R3000SD
Grainger
$249.20
Reed Instruments Handheld Multiparameter Meter: ORP/Ph/Temp, 0 Ph To 14 Ph, -1,999 Mv To 1,999 Mv Model: R3000SD
Grainger
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
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$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
$99.99
Hydrion Ph Test Paper: 0.2 Ph, 15 ft Overall Lg, 1/4 in Overall Wd, 1,000 Tests, Ph [PK/10] Model: 345
Grainger
$99.99
Hydrion Ph Test Paper: 0.2 Ph, 15 ft Overall Lg, 1/4 in Overall Wd, 1,000 Tests, Ph [PK/10] Model: 345
Grainger
$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
7K+
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$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
$30.47
Hydrion Ph Test Strips: 0.5 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9400
Grainger
$30.47
Hydrion Ph Test Strips: 0.5 Ph, 2 3/4 in Overall Lg, 1/4 in Overall Wd, 100 Tests, Ph [PK/100] Model: 9400
Grainger
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$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
$182.43
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
3K+
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$182.43
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
$160.29
Apera Grostar GS4 5-In-1 Ph/EC/PPM/Temp Combo Pen
Hydrobuilder
152
$160.29
Apera Grostar GS4 5-In-1 Ph/EC/PPM/Temp Combo Pen
Hydrobuilder