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10 bestPh Controllersof November 2025

112M consumers helped this year.

1

Inkbird ITC-308S Temperature Controller Digital Thermostat Controller with 1.97 Inches Replacement NTC Probe for Heating and Cooling
Inkbird ITC-308S Temperature Controller Digital Thermostat Controller with 1.97 Inches Replacement NTC Probe for Heating and Cooling

Inkbird

9.8

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2

Milwaukee MW101 PRO Portable Digital PH Meter c/w Electrode and Calibration Kit
Milwaukee MW101 PRO Portable Digital PH Meter c/w Electrode and Calibration Kit

Generic

9.6

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30% off

3

RYAKKA Aquarium Water Monitor Newest 6-in-1 pH/TDS/EC/Salinity/SG/Temp Digital Aquarium Water Tester for Freshwater & Saltwater
RYAKKA Aquarium Water Monitor Newest 6-in-1 pH/TDS/EC/Salinity/SG/Temp Digital Aquarium Water Tester for Freshwater & Saltwater

RYAKKA

9.4

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4

JACOJE Digital PH Tester for Water WiFi Data Logger Temp PH Salinity Meter Online Controller Seawater SaltWater Tester Smart Remote Monitor For Aquariums Fish Tank Easy Calibration
JACOJE Digital PH Tester for Water WiFi Data Logger Temp PH Salinity Meter Online Controller Seawater SaltWater Tester Smart Remote Monitor For Aquariums Fish Tank Easy Calibration

JACOJE

9.2

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5

2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory
2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

DANOPLUS

9.0

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2-in-1 pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

2-in-1 pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

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Haofy 3 in 1 Water Quality Meter Tester, PH TDS Monitor, Water Temperature Controller for Drinking Water, Fish Tank, Aquarium, Pool

Haofy 3 in 1 Water Quality Meter Tester, PH TDS Monitor, Water Temperature Controller for Drinking Water, Fish Tank, Aquarium, Pool

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Inkbird ITC-306A-WiFi Aquarium Temperature Controller Aquarium Thermostats Fish heater thermostat with Dual Heating Socket for Marine Tank Fish Shrimp Tortoise（No Timer）

Inkbird ITC-306A-WiFi Aquarium Temperature Controller Aquarium Thermostats Fish heater thermostat with Dual Heating Socket for Marine Tank Fish Shrimp Tortoise（No Timer）

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OCS.tec DIGITAL PH+REDOX CONTROLLER/METER AQUARIUM SWEET AND SALT WATER P11

OCS.tec DIGITAL PH+REDOX CONTROLLER/METER AQUARIUM SWEET AND SALT WATER P11

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6

hygger 24V DC Aquarium Wave Maker with Controller, for 280-750L Fish Tank 6 Wave Modes Adjustable Water Flow Speed 12000LPH 18W, Freshwater Saltwater Coral Reef Tank Magnet Power head, Blue
hygger 24V DC Aquarium Wave Maker with Controller, for 280-750L Fish Tank 6 Wave Modes Adjustable Water Flow Speed 12000LPH 18W, Freshwater Saltwater Coral Reef Tank Magnet Power head, Blue

hygger

8.8

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7

Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa
Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa

GAIN EXPRESS

8.5

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8

OBEST 8 in 1 Digital Water Quality Tester, TDS Meter/PH//EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Pen Type Tester for Pool, Aquarium, Sea Water Salinity, Drinking Water, Spas
OBEST 8 in 1 Digital Water Quality Tester, TDS Meter/PH//EC/Salinity/Temp Meter, 0.01 Resolution High Accuracy Pen Type Tester for Pool, Aquarium, Sea Water Salinity, Drinking Water, Spas

OBEST

8.3

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7% off

9

Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5m Cable NDIR Sensing Probe for Green House Home, Office, Factory
Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5m Cable NDIR Sensing Probe for Green House Home, Office, Factory

GAIN EXPRESS

8.0

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10

AULYTE Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester (Size : RS485 PH Controller)
AULYTE Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Tester (Size : RS485 PH Controller)

AULYTE

7.8

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