Shop Best pH Meter for Aquariums

Sponsored
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$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
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
75
Free shipping
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
75
$119.99
Extech PH90 Waterproof Ph Meter - Pocket Digital Tester For Water, Beverages, Aquariums, Pools & Labs, 0-14 Ph Range, Replaceable Electrode, Auto
Amazon.com
30
Free shipping
$119.99
Extech PH90 Waterproof Ph Meter - Pocket Digital Tester For Water, Beverages, Aquariums, Pools & Labs, 0-14 Ph Range, Replaceable Electrode, Auto
Amazon.com
30
$153.11
Oakton Phtestr 30 Waterproof Ph Testr 30 Pocket Tester
Amazon.com
36
Free shipping
$153.11
Oakton Phtestr 30 Waterproof Ph Testr 30 Pocket Tester
Amazon.com
36
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
2K+
Free shipping
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
2K+
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$121.99
HANNA Instruments HI98127 Phep4 Ph-Temperature Tester
Amazon.com
Free shipping
$121.99
HANNA Instruments HI98127 Phep4 Ph-Temperature Tester
Amazon.com
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
$249.90
Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
Amazon.com
153
Free shipping
$249.90
Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
Amazon.com
153
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$1,065.85
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
27
Free shipping
28% off
$1,065.85
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
27
$124.45
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.45
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$375.00
Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
Amazon.com
787
Free shipping
$375.00
Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
Amazon.com
787
$117.27
$130.08
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
28
Free shipping
$117.27
$130.08
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
28
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$249.00
NANBEI Lab Benchtop Ph Meter, 1-3Points Auto Calibration,0.01 Ph Accuracy,200 Sets Of Data Storage,Professional Ph/Temp/ORP Test,6.0 Inch High
Amazon.com
6
Free shipping
$249.00
NANBEI Lab Benchtop Ph Meter, 1-3Points Auto Calibration,0.01 Ph Accuracy,200 Sets Of Data Storage,Professional Ph/Temp/ORP Test,6.0 Inch High
Amazon.com
6
$138.60
Extech Exstik Waterproof Ph Meter, Refillable | Cole-Parmer
Cole-Parmer
69
$138.60
Extech Exstik Waterproof Ph Meter, Refillable | Cole-Parmer
Cole-Parmer
69
$188.25
Milwaukee Ph Meter W/ATC
MoreBeer!
420
$188.25
Milwaukee Ph Meter W/ATC
MoreBeer!
420
$219.00
Extech Palm Ph Meter With Cabled Electrode | Cole-Parmer
Cole-Parmer
75
$219.00
Extech Palm Ph Meter With Cabled Electrode | Cole-Parmer
Cole-Parmer
75
$210.99
Handheld Ph Meter Waterproof Ph Meter With 0.1 Resolution - 1 / Each / 1 / Each
Grayline Medical
$210.99
Handheld Ph Meter Waterproof Ph Meter With 0.1 Resolution - 1 / Each / 1 / Each
Grayline Medical
$9.99
$14.99
Suptree Digital PH Meter Tester For Water Pool- 0.01Ph High Accuracy Pen PH Tester For Cosmetic, Lotion, Foods And Water
Walmart
125
33% off
$9.99
$14.99
Suptree Digital PH Meter Tester For Water Pool- 0.01Ph High Accuracy Pen PH Tester For Cosmetic, Lotion, Foods And Water
Walmart
125
$1,295.00
Myron 720II Ph Meter
US Water Systems
20% off
$1,295.00
Myron 720II Ph Meter
US Water Systems
$316.00
Hach Pocket Pro+ Ph Tester With Replaceable Sensor 9532000
Core & Main
$316.00
Hach Pocket Pro+ Ph Tester With Replaceable Sensor 9532000
Core & Main
$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
$485.00
Hach Pocket Pro+ Multi 2 Tester For Ph/Cond/TDS/Salinity With Replaceable Sensor 9532800
Core & Main
$485.00
Hach Pocket Pro+ Multi 2 Tester For Ph/Cond/TDS/Salinity With Replaceable Sensor 9532800
Core & Main
$79.99
Ac Infinity Ph Meter PRO Kit, High Precision Digital Ph Pen With 0.01 Ph Accuracy And Interchangeable Probe, Nutrient Test Ph Meter For Water Hydropon
Walmart
116
Free shipping
$79.99
Ac Infinity Ph Meter PRO Kit, High Precision Digital Ph Pen With 0.01 Ph Accuracy And Interchangeable Probe, Nutrient Test Ph Meter For Water Hydropon
Walmart
116
$153.55
PCE Instruments PCE-PH20, Waterproof Aquarium Ph Meter With External Ph Electrode
Selectum
$153.55
PCE Instruments PCE-PH20, Waterproof Aquarium Ph Meter With External Ph Electrode
Selectum
$525.99
Oakton Instruments Waterproof Ph 150 Meter - METER, PH 150 - WD-35614-32 - 1 Each / Each
Grayline Medical
$525.99
Oakton Instruments Waterproof Ph 150 Meter - METER, PH 150 - WD-35614-32 - 1 Each / Each
Grayline Medical
$11.99
4 in 1 PH Meter Tester Pen 0.01 High Accuracy Fish Tank Water Quality Tester 2% Readout Accuracy 0-14 PH Measurement Range For Hydroponics Household A
Walmart
1
$11.99
4 in 1 PH Meter Tester Pen 0.01 High Accuracy Fish Tank Water Quality Tester 2% Readout Accuracy 0-14 PH Measurement Range For Hydroponics Household A
Walmart
1
$5.76
$11.50
1Pc Digital PH Meter High Precision LCD Aquarium Water Acid PH Tester Pool Analy Blue
Aliexpress
49% off
$5.76
$11.50
1Pc Digital PH Meter High Precision LCD Aquarium Water Acid PH Tester Pool Analy Blue
Aliexpress
$244.50
$326.00
Matfer 250153 Bourgeat PH Meter | Commercial Restaurant Supply
RestaurantSupply.com
25% off
$244.50
$326.00
Matfer 250153 Bourgeat PH Meter | Commercial Restaurant Supply
RestaurantSupply.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
$78.57
PCE Instruments PCE-PHM 12, Aquarium Ph Meter With Temperature Compensation Up To 50 Deg. C
Selectum
$78.57
PCE Instruments PCE-PHM 12, Aquarium Ph Meter With Temperature Compensation Up To 50 Deg. C
Selectum
$71.43
HM Digital PH-200, Waterproof Professional Ph/Temp Meter
Selectum
385
$71.43
HM Digital PH-200, Waterproof Professional Ph/Temp Meter
Selectum
385
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$10.99
$13.99
Fluval Fresh Ph Low Range Fish Water Test Kit
Chewy.com
21% off
$10.99
$13.99
Fluval Fresh Ph Low Range Fish Water Test Kit
Chewy.com
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Shop Best pH Meter for Aquariums

Sponsored
About our ads
$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
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
75
Free shipping
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
75
$119.99
Extech PH90 Waterproof Ph Meter - Pocket Digital Tester For Water, Beverages, Aquariums, Pools & Labs, 0-14 Ph Range, Replaceable Electrode, Auto
Amazon.com
30
Free shipping
$119.99
Extech PH90 Waterproof Ph Meter - Pocket Digital Tester For Water, Beverages, Aquariums, Pools & Labs, 0-14 Ph Range, Replaceable Electrode, Auto
Amazon.com
30
$153.11
Oakton Phtestr 30 Waterproof Ph Testr 30 Pocket Tester
Amazon.com
36
Free shipping
$153.11
Oakton Phtestr 30 Waterproof Ph Testr 30 Pocket Tester
Amazon.com
36
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
2K+
Free shipping
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
2K+
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$121.99
HANNA Instruments HI98127 Phep4 Ph-Temperature Tester
Amazon.com
Free shipping
$121.99
HANNA Instruments HI98127 Phep4 Ph-Temperature Tester
Amazon.com
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
$249.90
Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
Amazon.com
153
Free shipping
$249.90
Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
Amazon.com
153
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$1,065.85
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
27
Free shipping
28% off
$1,065.85
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
27
$124.45
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
Free shipping
$124.45
HACH 9531000E Pocket Pro Ph And Temperature Tester
Amazon.com
1
$375.00
Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
Amazon.com
787
Free shipping
$375.00
Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
Amazon.com
787
$117.27
$130.08
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
28
Free shipping
$117.27
$130.08
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
28
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$249.00
NANBEI Lab Benchtop Ph Meter, 1-3Points Auto Calibration,0.01 Ph Accuracy,200 Sets Of Data Storage,Professional Ph/Temp/ORP Test,6.0 Inch High
Amazon.com
6
Free shipping
$249.00
NANBEI Lab Benchtop Ph Meter, 1-3Points Auto Calibration,0.01 Ph Accuracy,200 Sets Of Data Storage,Professional Ph/Temp/ORP Test,6.0 Inch High
Amazon.com
6
$138.60
Extech Exstik Waterproof Ph Meter, Refillable | Cole-Parmer
Cole-Parmer
69
$138.60
Extech Exstik Waterproof Ph Meter, Refillable | Cole-Parmer
Cole-Parmer
69
$188.25
Milwaukee Ph Meter W/ATC
MoreBeer!
420
$188.25
Milwaukee Ph Meter W/ATC
MoreBeer!
420