Shop aquarium ph tester

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$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
616
$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
$484.34
$566.00
Oakton WD-35613-52 Ph 5+ Meter W/SJ, Sealed, Epoxy Electrode, ATC
Test Equipment Depot
14% off
$484.34
$566.00
Oakton WD-35613-52 Ph 5+ Meter W/SJ, Sealed, Epoxy Electrode, ATC
Test Equipment Depot
$180.58
$216.70
Oakton 35634-66 Phtestr 5 Waterproof Pocket Tester With Ph Buffer Pouches | Tequipment
TEquipment
16% off
$180.58
$216.70
Oakton 35634-66 Phtestr 5 Waterproof Pocket Tester With Ph Buffer Pouches | Tequipment
TEquipment
$48.35
Milwaukee Ph51 - Waterproof Ph Tester W/Replaceable Probe, 0.0-14.0 Ph Range, 0.1 Ph Resolution | Tequipment
TEquipment
$48.35
Milwaukee Ph51 - Waterproof Ph Tester W/Replaceable Probe, 0.0-14.0 Ph Range, 0.1 Ph Resolution | Tequipment
TEquipment
$527.18
Ohaus Aquasearcher A-AB33PH-B Ph Meter
Marshall Scientific
$527.18
Ohaus Aquasearcher A-AB33PH-B Ph Meter
Marshall Scientific
$454.27
$648.50
Oakton WD-35660-10 PH250 Waterproof Ph, ORP, Temp Handheld Meter Kit
Test Equipment Depot
29% off
$454.27
$648.50
Oakton WD-35660-10 PH250 Waterproof Ph, ORP, Temp Handheld Meter Kit
Test Equipment Depot
$493.95
$520.30
Oakton WD-35613-20 Ph 6+ Ph/Mv/Temperature Meter With ATC Probe Boot
Test Equipment Depot
$493.95
$520.30
Oakton WD-35613-20 Ph 6+ Ph/Mv/Temperature Meter With ATC Probe Boot
Test Equipment Depot
$50.24
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
23% off
$50.24
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
$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
$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
$176.60
$216.00
Thermo Scientific ELITEPCTS - Ph, Conductivity, TDS, Salinity Pocket Tester | Tequipment
TEquipment
18% off
$176.60
$216.00
Thermo Scientific ELITEPCTS - Ph, Conductivity, TDS, Salinity Pocket Tester | Tequipment
TEquipment
$400.76
Ohaus Aquasearcher A-AB23PH-B Ph Meter
Marshall Scientific
$400.76
Ohaus Aquasearcher A-AB23PH-B Ph Meter
Marshall Scientific
$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
82
$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
$135.54
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+
Free shipping
$135.54
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
$10.92
Salifert Aquarium Ph Test Kit
Chewy.com
$10.92
Salifert Aquarium Ph Test Kit
Chewy.com
$32.99
Aquarium Salt Tester -Pool Salt Tester, Versatile 5 In1 Salinity, PH, TDS, EC, And Temperature Meter, Digital Salinity Tester For Saltwater Aquarium,
Amazon.com
203
$32.99
Aquarium Salt Tester -Pool Salt Tester, Versatile 5 In1 Salinity, PH, TDS, EC, And Temperature Meter, Digital Salinity Tester For Saltwater Aquarium,
Amazon.com
$66.08
Apera Instruments AI221, Ph Pen Tester Kit Suitable For Test Tube Ph Testing
Selectum
$66.08
Apera Instruments AI221, Ph Pen Tester Kit Suitable For Test Tube Ph Testing
Selectum
$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
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
33
$102.00
COM-300: Waterproof Professional Series Ph/EC/TDS/Temp Meter Single
Fresh Water Systems
$8.98
$18.28
API Ph Freshwater Aquarium Test & Adjuster Kit, 250 Count
Chewy.com
34
50% off
$8.98
$18.28
API Ph Freshwater Aquarium Test & Adjuster Kit, 250 Count
Chewy.com
$61.81
HI98108 HANNA INSTRUMENTS - Sensors & Switches & PH Electrode Supplies
Radwell.com
$61.81
HI98108 HANNA INSTRUMENTS - Sensors & Switches & PH Electrode Supplies
Radwell.com
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$162.00
Horiba Laquatwin Ph-22 Compact Ph Meter, 3999960123
ABQ Industrial
1
$162.00
Horiba Laquatwin Ph-22 Compact Ph Meter, 3999960123
ABQ Industrial
$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
300
$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
$23.00
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)
fortecolchoes.com
$23.00
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)
fortecolchoes.com
$24.20
PH Meter For Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size With 0-14 PH Measurement Range For Household Drinking, Pool And Aquarium (Ph Meter 2PCS)(Ph Meter 2PCS)
fortecolchoes.com
$24.20
PH Meter For Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size With 0-14 PH Measurement Range For Household Drinking, Pool And Aquarium (Ph Meter 2PCS)(Ph Meter 2PCS)
fortecolchoes.com
$10.69
$36.59
5 in 1 PH/TDS/EC/Salt/Temp Meter, 0.01 High Accuracy PH Meter For Water, Digital Salinity Meter And PH Tester For Drinking Water, Hydroponics, Aquarium And Swimming Pool
fortecolchoes.com
70% off
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$36.59
5 in 1 PH/TDS/EC/Salt/Temp Meter, 0.01 High Accuracy PH Meter For Water, Digital Salinity Meter And PH Tester For Drinking Water, Hydroponics, Aquarium And Swimming Pool
fortecolchoes.com
$39.97
Pocket Hydroponics PH EC Meter, Digital LCD Tester, Aquarium Water Test Pen For PH, TDS & Temperature Pocket Hydroponics PH EC Meter, Digital LCD Test
Inspire Uplift
$39.97
Pocket Hydroponics PH EC Meter, Digital LCD Tester, Aquarium Water Test Pen For PH, TDS & Temperature Pocket Hydroponics PH EC Meter, Digital LCD Test
Inspire Uplift
$58.78
$117.55
PH-803W Wifi Monitor Digital PH&ORP Controller BNC Probe Online Water Quality Tester For Aquarium
Aliexpress
Free shipping
49% off
$58.78
$117.55
PH-803W Wifi Monitor Digital PH&ORP Controller BNC Probe Online Water Quality Tester For Aquarium
Aliexpress
$9.48
API Ph Test Kit, 160 Tests
The Pond Guy
1K+
$9.48
API Ph Test Kit, 160 Tests
The Pond Guy
$13.49
Digital Ph And TDS Meter Kits For Hydroponics, Pool And Aquarium, Yellow Blue
Tanga
Free shipping
$13.49
Digital Ph And TDS Meter Kits For Hydroponics, Pool And Aquarium, Yellow Blue
Tanga
$17.64
$36.75
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
Aliexpress
Free shipping
52% off
$17.64
$36.75
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
Aliexpress
$70.41
$93.88
8 in 1 Wifi Tuya Aquarium Water Quality Tester Smart PH Meter ORP/TDS/EC/SALT/TEMP Monitor For
Aliexpress
Free shipping
24% off
$70.41
$93.88
8 in 1 Wifi Tuya Aquarium Water Quality Tester Smart PH Meter ORP/TDS/EC/SALT/TEMP Monitor For
Aliexpress
$23.49
$35.24
PH Meter Acidometer LCD Display Water Quality Monitor Test Gauge Multi-Parameter For Aquarium Laboratory EU Plug Tester
USA.Banggood
33% off
$23.49
$35.24
PH Meter Acidometer LCD Display Water Quality Monitor Test Gauge Multi-Parameter For Aquarium Laboratory EU Plug Tester
USA.Banggood
$95.99
$105.99
Tilswall 8-In-1 Water Quality Tester - Ph, ORP, EC, TDS, Salt, S.G, CF, Temp
Tilswall US
$95.99
$105.99
Tilswall 8-In-1 Water Quality Tester - Ph, ORP, EC, TDS, Salt, S.G, CF, Temp
Tilswall US
$39.97
LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium Water Test Pen LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium W
Inspire Uplift
$39.97
LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium Water Test Pen LCD Tester Pocket Hydroponics, Digital Electric PH Meter, Aquarium W
Inspire Uplift
INVITAL pH Pen - electronic aquarium pH water tester
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INVITAL pH Pen - electronic aquarium pH water tester
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Shop aquarium ph tester

Sponsored
About our ads
$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
616
$28.34
HM Digital PH-80 Handheld Ph / Temp Meter
Fresh Water Systems
$484.34
$566.00
Oakton WD-35613-52 Ph 5+ Meter W/SJ, Sealed, Epoxy Electrode, ATC
Test Equipment Depot
14% off
$484.34
$566.00
Oakton WD-35613-52 Ph 5+ Meter W/SJ, Sealed, Epoxy Electrode, ATC
Test Equipment Depot
$180.58
$216.70
Oakton 35634-66 Phtestr 5 Waterproof Pocket Tester With Ph Buffer Pouches | Tequipment
TEquipment
16% off
$180.58
$216.70
Oakton 35634-66 Phtestr 5 Waterproof Pocket Tester With Ph Buffer Pouches | Tequipment
TEquipment
$48.35
Milwaukee Ph51 - Waterproof Ph Tester W/Replaceable Probe, 0.0-14.0 Ph Range, 0.1 Ph Resolution | Tequipment
TEquipment
$48.35
Milwaukee Ph51 - Waterproof Ph Tester W/Replaceable Probe, 0.0-14.0 Ph Range, 0.1 Ph Resolution | Tequipment
TEquipment
$527.18
Ohaus Aquasearcher A-AB33PH-B Ph Meter
Marshall Scientific
$527.18
Ohaus Aquasearcher A-AB33PH-B Ph Meter
Marshall Scientific
$454.27
$648.50
Oakton WD-35660-10 PH250 Waterproof Ph, ORP, Temp Handheld Meter Kit
Test Equipment Depot
29% off
$454.27
$648.50
Oakton WD-35660-10 PH250 Waterproof Ph, ORP, Temp Handheld Meter Kit
Test Equipment Depot
$493.95
$520.30
Oakton WD-35613-20 Ph 6+ Ph/Mv/Temperature Meter With ATC Probe Boot
Test Equipment Depot
$493.95
$520.30
Oakton WD-35613-20 Ph 6+ Ph/Mv/Temperature Meter With ATC Probe Boot
Test Equipment Depot
$50.24
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
23% off
$50.24
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
$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
$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
$176.60
$216.00
Thermo Scientific ELITEPCTS - Ph, Conductivity, TDS, Salinity Pocket Tester | Tequipment
TEquipment
18% off
$176.60
$216.00
Thermo Scientific ELITEPCTS - Ph, Conductivity, TDS, Salinity Pocket Tester | Tequipment
TEquipment
$400.76
Ohaus Aquasearcher A-AB23PH-B Ph Meter
Marshall Scientific
$400.76
Ohaus Aquasearcher A-AB23PH-B Ph Meter
Marshall Scientific
$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
82
$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
$135.54
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+
Free shipping
$135.54
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
$10.92
Salifert Aquarium Ph Test Kit
Chewy.com
$10.92
Salifert Aquarium Ph Test Kit
Chewy.com
$32.99
Aquarium Salt Tester -Pool Salt Tester, Versatile 5 In1 Salinity, PH, TDS, EC, And Temperature Meter, Digital Salinity Tester For Saltwater Aquarium,
Amazon.com
203
$32.99
Aquarium Salt Tester -Pool Salt Tester, Versatile 5 In1 Salinity, PH, TDS, EC, And Temperature Meter, Digital Salinity Tester For Saltwater Aquarium,
Amazon.com
$66.08
Apera Instruments AI221, Ph Pen Tester Kit Suitable For Test Tube Ph Testing
Selectum
$66.08
Apera Instruments AI221, Ph Pen Tester Kit Suitable For Test Tube Ph Testing
Selectum
$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