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ERICKHILL pH Meter, High Accuracy ±0.01 pH Tester with Calibration Solution & 0-14 pH Measure Range, Waterproof pH Pen with ATC & LCD Backlight for Drinking Water, Aquarium, Wine, Pool, Hydroponics

ERICKHILL pH Meter, High Accuracy ±0.01 pH Tester with Calibration Solution & 0-14 pH Measure Range, Waterproof pH Pen with ATC & LCD Backlight for Drinking Water, Aquarium, Wine, Pool, Hydroponics

4.2
$ 5.00
RCYAGO 4-in-1 pH/ORP/H2/TEMP Meter Hydrogen Ion Concentration Tester, ±0.005 pH Accuracy, Digital Water Quality Tester with ATC, for Pools, Drinking Water, Aquariums (Backlight)

RCYAGO 4-in-1 pH/ORP/H2/TEMP Meter Hydrogen Ion Concentration Tester, ±0.005 pH Accuracy, Digital Water Quality Tester with ATC, for Pools, Drinking Water, Aquariums (Backlight)

$ 129.34
FxndknjksPH Meter with Food PH Tester ATC, Waterproof Digital Food PH Meter with High Precision PH/Temperature Probe

FxndknjksPH Meter with Food PH Tester ATC, Waterproof Digital Food PH Meter with High Precision PH/Temperature Probe

$ 155.00
RCYAGO 5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909

RCYAGO 5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909

4.3
$ 42.00
Apera Instruments SX610 pH Meter, Pen Tester, Waterproof , ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor

Apera Instruments SX610 pH Meter, Pen Tester, Waterproof , ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor

4.0
$ 131.00
HM Digital PH Meter PH-80 Handheld Water Resistant Water Quality Tester Pen With ATC For Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment Drinking Water

HM Digital PH Meter PH-80 Handheld Water Resistant Water Quality Tester Pen With ATC For Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment Drinking Water

4.0
$ 53.12
YINMIK pH Meter for Food, Digital Food pH Tester, Accurate Canning pH Test Kits with ATC, Professional Fermenting pH Test Pen, Spear pH Probe for Bread Cheese Sushi Rice Sourdough Sauce Meat

YINMIK pH Meter for Food, Digital Food pH Tester, Accurate Canning pH Test Kits with ATC, Professional Fermenting pH Test Pen, Spear pH Probe for Bread Cheese Sushi Rice Sourdough Sauce Meat

4.1
$ 125.00
Digital 5-in-1 Water Testing Kit - PH/TDS/EC/Salinity/Temp/S G./ORP Meter for Drinking Water, Swimming Pools, Fish Tanks, Hydroponics - High Accuracy with 3 PH Buffer Powders Included

Digital 5-in-1 Water Testing Kit - PH/TDS/EC/Salinity/Temp/S G./ORP Meter for Drinking Water, Swimming Pools, Fish Tanks, Hydroponics - High Accuracy with 3 PH Buffer Powders Included

$ 44.00
Angju PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy Digital Water Tester for Household Drinking, Pool and Aquarium

Angju PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy Digital Water Tester for Household Drinking, Pool and Aquarium

3.9
$ 23.00
SKEIDO PC101 PH Meter Portable Water Quality Measure PH CL2 Chlorine Level Meter PH Tester for Swimming Pool Spa Aquarium Monitor Tools

SKEIDO PC101 PH Meter Portable Water Quality Measure PH CL2 Chlorine Level Meter PH Tester for Swimming Pool Spa Aquarium Monitor Tools

2.9
$ 24.84
Apera InstrumentsAI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

Apera InstrumentsAI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

4.4
$ 92.00
Bluelab BLU8000 PENGTB Grower's Toolbox with pH

Bluelab BLU8000 PENGTB Grower's Toolbox with pH

4.3
$ 174.00
PH Meter, Dr.meter Digital Water Quality Test Upgraded 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter, 0-14pH Measurement Range with Data Hold Function

PH Meter, Dr.meter Digital Water Quality Test Upgraded 0.01 Resolution High Accuracy Backlit Two-Color LCD Display pH Meter, 0-14pH Measurement Range with Data Hold Function

4.1
$ 65.00
Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

4.2
$ 347.00
PH2022Plus Waterproof Digital PH Meter for Water Hydroponics Food Brewing w/Portable Toolkit Combo, 0.01 Resolution

PH2022Plus Waterproof Digital PH Meter for Water Hydroponics Food Brewing w/Portable Toolkit Combo, 0.01 Resolution

4.3
$ 76.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

4.4
$ 109.00
3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory

3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory

3
FREE
Apera Instruments PH20 Value pH Meter, Pocket Tester, Waterproof, ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor, Complete kit

Apera Instruments PH20 Value pH Meter, Pocket Tester, Waterproof, ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor, Complete kit

4.5
$ 145.00
Digital PH Meter, PH Tester for Water, PH Meter 0.01PH High-Precision Water Quality Tester with ATC, 0-14PH Measurement Range, for Swimming Pools, Drinking Water, Aquariums, Hydroponics (Blue)

Digital PH Meter, PH Tester for Water, PH Meter 0.01PH High-Precision Water Quality Tester with ATC, 0-14PH Measurement Range, for Swimming Pools, Drinking Water, Aquariums, Hydroponics (Blue)

3.8
$ 29.00
6020A Waterproof Hand Held PH Meter with ATC and External Electrode, 0~14ph Range

6020A Waterproof Hand Held PH Meter with ATC and External Electrode, 0~14ph Range

5.0
$ 120.00
Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

4.4
$ 138.00
Hanna Instruments HI 98130 Waterproof pH/Conductivity/TDS Tester with ATC, High Range

Hanna Instruments HI 98130 Waterproof pH/Conductivity/TDS Tester with ATC, High Range

$ 263.75
PLEASANT PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

PLEASANT PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

$ 88.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

4.4
$ 89.00
GAIN EXPRESS Waterproof pH Meter pH Pen Ultra-Long Electrode for Soil, Water, Food, Dual Display with ATC One-Touch Auto Calibration Data Hold Function

GAIN EXPRESS Waterproof pH Meter pH Pen Ultra-Long Electrode for Soil, Water, Food, Dual Display with ATC One-Touch Auto Calibration Data Hold Function

4.0
FREE
Apera InstrumentsAI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

Apera InstrumentsAI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

4.5
$ 142.00
PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing,Pool,Indoor Garden, Home Brewing, Aquarium, Hot Tub

PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing,Pool,Indoor Garden, Home Brewing, Aquarium, Hot Tub

4.2
$ 69.00
Hofun TDS Water Quality Tester - TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Meter, LCD Display,Digital TDS Meter for Drinking Water Test,Swimming Pool, Aquarium Test, RO/DI Water, Hydroponics

Hofun TDS Water Quality Tester - TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Meter, LCD Display,Digital TDS Meter for Drinking Water Test,Swimming Pool, Aquarium Test, RO/DI Water, Hydroponics

4.4
$ 23.00
Real Instruments 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

Real Instruments 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

$ 102.00
5-in-1 pH Meter Waterproof Multnctional TDS/EC/pH/Salinity/Temperature Meter Water Quality Tester Blue Backlight LCD Display with ATC Function

5-in-1 pH Meter Waterproof Multnctional TDS/EC/pH/Salinity/Temperature Meter Water Quality Tester Blue Backlight LCD Display with ATC Function

$ 406.00
VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1 pH Accuracy Water Quality Tester for Hydroponics, Household Drinking, and Aquarium

VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1 pH Accuracy Water Quality Tester for Hydroponics, Household Drinking, and Aquarium

4.0
$ 52.00
1PCS Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC

1PCS Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC

$ 35.00
Extech PH100 ExStik pH Waterproof Meter

Extech PH100 ExStik pH Waterproof Meter

4.2
$ 177.00
Gywjioy Digital PH Meter,7 in 1 PH Meter,TDS, EC, PH, Salt, S G. Temps, ORP testing tools,drinking water, swimming pools, goldfish tanks, and high-precision water testing kits for hydroponics

Gywjioy Digital PH Meter,7 in 1 PH Meter,TDS, EC, PH, Salt, S G. Temps, ORP testing tools,drinking water, swimming pools, goldfish tanks, and high-precision water testing kits for hydroponics

3.5
$ 4.00
EUROLAB 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

EUROLAB 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

3.1
$ 53.00
Portable IP56 Waterproof pH Meter Water Quality Detector Analyzer Digital pH Tester with ATC Automatic Compensation Function-Layfoo

Portable IP56 Waterproof pH Meter Water Quality Detector Analyzer Digital pH Tester with ATC Automatic Compensation Function-Layfoo

$ 72.00
Bluelab Metcom Combo Meter For Ph, Temperature, Conductivity (Nutrient) In Water With Easy Calibration, Digital Tds R For Hydroponic System And Indoor Plant Grow, Pack Of 1

Bluelab Metcom Combo Meter For Ph, Temperature, Conductivity (Nutrient) In Water With Easy Calibration, Digital Tds R For Hydroponic System And Indoor Plant Grow, Pack Of 1

4.4
$ 297.00
Atree Soil pH Meter, 3-in-1 Soil Tester Kits with Moisture,Light and PH Test for Garden, Farm, Lawn, Indoor & Outdoor (No Battery Needed)

Atree Soil pH Meter, 3-in-1 Soil Tester Kits with Moisture,Light and PH Test for Garden, Farm, Lawn, Indoor & Outdoor (No Battery Needed)

4.0
$ 28.00
7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Digital pH Meter, Water Tester for Drinking, Hydroponics, Swimming Pool and Aquarium

7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Digital pH Meter, Water Tester for Drinking, Hydroponics, Swimming Pool and Aquarium

4.0
$ 26.74
4 In1 LCD PH Meters Digital Temperature Sunlight Moisture PH Garden Soil Tester Gauge Meter

4 In1 LCD PH Meters Digital Temperature Sunlight Moisture PH Garden Soil Tester Gauge Meter

3.3
$ 20.00
VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, UL Certified

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, UL Certified

3.8
$ 19.00
Digital pH/TDS Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy pH Tester, pH Meter for Water, Wine, Pool, Aquariums

Digital pH/TDS Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy pH Tester, pH Meter for Water, Wine, Pool, Aquariums

4.1
$ 40.00
Ohaus ST10 pH Pen Meter, Waterproof, 0.1 pH

Ohaus ST10 pH Pen Meter, Waterproof, 0.1 pH

4.1
$ 157.00
Professional PH2022 Digital Waterproof pH Meter for Water Hydroponics Food Brewing w/Portable Toolkit Combo, 0.05 Resolution (2Pack)

Professional PH2022 Digital Waterproof pH Meter for Water Hydroponics Food Brewing w/Portable Toolkit Combo, 0.05 Resolution (2Pack)

4.3
$ 32.49
Bluetooth Food pH Meter, Digital pH Meter for Food High Accuracy Waterproof Food pH Tester with ATC for Sourdough and Bread Canning, Meat, Cheese, Solid Samples, and Water

Bluetooth Food pH Meter, Digital pH Meter for Food High Accuracy Waterproof Food pH Tester with ATC for Sourdough and Bread Canning, Meat, Cheese, Solid Samples, and Water

4.1
$ 66.00
GuangYing 5 in 1 PH Meter,PH/TDS/EC/Salinity/Temp Meter for Water, High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics,with 3 PH Buffer Powders

GuangYing 5 in 1 PH Meter,PH/TDS/EC/Salinity/Temp Meter for Water, High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics,with 3 PH Buffer Powders

3.8
$ 40.00
Real Instruments 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

Real Instruments 4-IN-1 Water Quality Tester Pen Water Quality Analysis Instrument Waterproof PH/TDS/EC/Temperature Meter PH Meter TDS Meter With ATC Digital

$ 45.01
5-in-1 pH Meter Waterproof Multifunctional TDS/EC/pH/Salinity/Temperature Meter Water Quality Tester Blue Backlight LCD Display with ATC Function

5-in-1 pH Meter Waterproof Multifunctional TDS/EC/pH/Salinity/Temperature Meter Water Quality Tester Blue Backlight LCD Display with ATC Function

$ 181.00
Decdeal Mini Professional Online pH Meter Water Quality Tester Waterproof Water Quality Monitor Water Quality Analysis Device with Temperature Compensation ATC Function and Backlight

Decdeal Mini Professional Online pH Meter Water Quality Tester Waterproof Water Quality Monitor Water Quality Analysis Device with Temperature Compensation ATC Function and Backlight

$ 130.08
eWINNER PH Meter

eWINNER PH Meter

3.6
$ 17.00
eWINNER Digital pH and TDS Meter Combo Kit (Yellow/White)

eWINNER Digital pH and TDS Meter Combo Kit (Yellow/White)

4.1
$ 23.00
Hanna InstrumentsHI 98121 Combination pH/ORP/Temperature Tester

Hanna InstrumentsHI 98121 Combination pH/ORP/Temperature Tester

$ 384.90
B&K PH Tester Digital-Portable PH Meters Pen Aquariums Water Quality Detector/Monitor LCD Display For Fish Tank, Pool, Drinking Water

B&K PH Tester Digital-Portable PH Meters Pen Aquariums Water Quality Detector/Monitor LCD Display For Fish Tank, Pool, Drinking Water

3.4
$ 14.46
SKEIDO Digital PH Meter 3 in 1 plants Flowers Soil Water Light Tester Sensor Monitor for Aquarium Indoor Garden Plant Flowers PH meter

SKEIDO Digital PH Meter 3 in 1 plants Flowers Soil Water Light Tester Sensor Monitor for Aquarium Indoor Garden Plant Flowers PH meter

2.3
$ 11.91
SKEIDO 4-in-1 LCD Temperature Sunlight Moisture PH Garden Soil Tester

SKEIDO 4-in-1 LCD Temperature Sunlight Moisture PH Garden Soil Tester

$ 27.00
Bluelab CAREKITPH Probe Care Kit with Calibration Solution

Bluelab CAREKITPH Probe Care Kit with Calibration Solution

4.6
$ 32.79
SKEIDO4 in 1 Digital Garden Soil Tester Moisture Themometer Sunlight Ph Meter Temperature Tester C/F with Backlight

SKEIDO4 in 1 Digital Garden Soil Tester Moisture Themometer Sunlight Ph Meter Temperature Tester C/F with Backlight

3.8
$ 23.00
HM Digital DM-2 Commercial In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

HM Digital DM-2 Commercial In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

4.3
$ 62.00
YINMIK Food pH Meter with Extra Replaceable Probe for Sourdough and Bread, pH Tester for Fermented Sausages and Salami, Easy pH Measurement of Cosmetics, Cheese, Semi-Solid Samples

YINMIK Food pH Meter with Extra Replaceable Probe for Sourdough and Bread, pH Tester for Fermented Sausages and Salami, Easy pH Measurement of Cosmetics, Cheese, Semi-Solid Samples

4.4
$ 112.00
Soil Moisture Meter, Soil Humidity Tester for Plants, Soil Hygrometer Sensor, Outdoor Waterproof Function, Compatible for TUYA Smart APP, for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use

Soil Moisture Meter, Soil Humidity Tester for Plants, Soil Hygrometer Sensor, Outdoor Waterproof Function, Compatible for TUYA Smart APP, for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use

5.0
$ 74.00
SKEIDO3-in-1 Digital Garden Soil Tester Moisture Thermometer Ph Meter

SKEIDO3-in-1 Digital Garden Soil Tester Moisture Thermometer Ph Meter

2.3
$ 24.00
3 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Flower

3 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Flower

3.6
$ 17.00
UIUZMAR pH Tester for Food Digital pH Meter for Sourdough Starter and Dough Spear Sensor Food pH Kit Works for Fermented Sausages Cheese Sushi Rice Canned Jam Soapmaking and Other Solid Semi-Solid

UIUZMAR pH Tester for Food Digital pH Meter for Sourdough Starter and Dough Spear Sensor Food pH Kit Works for Fermented Sausages Cheese Sushi Rice Canned Jam Soapmaking and Other Solid Semi-Solid

4.6
$ 95.00
VIVOSUN Digital PH Meter for Water, 0.01ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

VIVOSUN Digital PH Meter for Water, 0.01ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

3.8
$ 32.00
Digital pH Meter Monitor Sensor Tester Pen Waterproof 0~14 Temperature Measurement High Accuracy Tests Water Aquarium Swimming Pool Hydroponics Plants

Digital pH Meter Monitor Sensor Tester Pen Waterproof 0~14 Temperature Measurement High Accuracy Tests Water Aquarium Swimming Pool Hydroponics Plants

$ 220.05
General Tools PH501 Digital Pocket PH Meter

General Tools PH501 Digital Pocket PH Meter

$ 146.02
SKEIDO 3-in-1 Soil Moisture Light and PH Acidity Tester

SKEIDO 3-in-1 Soil Moisture Light and PH Acidity Tester

4.2
$ 18.00
NALACAL Soil pH Meter, 3-in-1 Soil Tester Kit with Plant Moisture, Light and pH Tester, Soil pH Meter for Garden, Farm, Lawn, Indoor and Outdoor (No Battery Needed)

NALACAL Soil pH Meter, 3-in-1 Soil Tester Kit with Plant Moisture, Light and pH Tester, Soil pH Meter for Garden, Farm, Lawn, Indoor and Outdoor (No Battery Needed)

3.8
$ 20.00
SKEIDO PC102 Water Quality Tester Digital 2 in 1 PH & Chlorine Level CL2 Meter Detector for Swimming Pool Spa Water Quality Tester

SKEIDO PC102 Water Quality Tester Digital 2 in 1 PH & Chlorine Level CL2 Meter Detector for Swimming Pool Spa Water Quality Tester

3.4
$ 33.00
5 in 1 PH Meter,PH/TDS/EC/Salinity/Temp Meter for Water, High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics,with 3 PH Buffer Powders

5 in 1 PH Meter,PH/TDS/EC/Salinity/Temp Meter for Water, High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics,with 3 PH Buffer Powders

5.0
$ 37.00
BluelabTRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Digital Conductivity (TDS, EC, ppm 500, ppm 700, CF) Tester in Water, Tool for Hydroponic System and Plant Grow

BluelabTRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Digital Conductivity (TDS, EC, ppm 500, ppm 700, CF) Tester in Water, Tool for Hydroponic System and Plant Grow

4.7
$ 136.42
SKEIDO 3-in-1 Digital Garden Soil Tester Moisture Ph Meter

SKEIDO 3-in-1 Digital Garden Soil Tester Moisture Ph Meter

$ 10.20
eWINNER Digital PH Meter Backlight PH Meter 0.01 High Precision Water Quality Tester PH Range is 0-14 Suitable for Drinking Water Swimming Pool and Aquarium PH Tester Design

eWINNER Digital PH Meter Backlight PH Meter 0.01 High Precision Water Quality Tester PH Range is 0-14 Suitable for Drinking Water Swimming Pool and Aquarium PH Tester Design

2.7
$ 17.00
VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester, 0-14.0 pH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium

VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester, 0-14.0 pH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium

4.1
$ 73.00
YINMIK Digital Soil pH Meter for Gardeners, Soil Direct pH Tester for Plant Care, Measure pH of Solution Potting Soil Growing Media,Great for Indoor,Greenhouse,Outdoor,Garden, Lawn, Farming, Yard Use

YINMIK Digital Soil pH Meter for Gardeners, Soil Direct pH Tester for Plant Care, Measure pH of Solution Potting Soil Growing Media,Great for Indoor,Greenhouse,Outdoor,Garden, Lawn, Farming, Yard Use

4.2
$ 107.00
CuteefunDigital PH Meter, 5 in 1 Water Quality Tester with Back light, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Drinking Water, Aquarium, Spas

CuteefunDigital PH Meter, 5 in 1 Water Quality Tester with Back light, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Drinking Water, Aquarium, Spas

3.9
$ 48.00
pH/EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer, Test Kit for Aquariums Hydroponics Pool Spa Drinking Purity

pH/EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer, Test Kit for Aquariums Hydroponics Pool Spa Drinking Purity

2.8
$ 132.00
TsoLay PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

TsoLay PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

$ 62.44
N K Soil Acid eter Digital PH eter pH eter Precision Solar Current Waterproof Practical Design and Durable

N K Soil Acid eter Digital PH eter pH eter Precision Solar Current Waterproof Practical Design and Durable

$ 210.00
TFA Dostmann Check pH Meter ATC Water Quality Control, Hold Function, pH Value, Temperature, Includes Container with Storage Solution for Electrode, L 225 x W 35 x H 20 mm, Silver

TFA Dostmann Check pH Meter ATC Water Quality Control, Hold Function, pH Value, Temperature, Includes Container with Storage Solution for Electrode, L 225 x W 35 x H 20 mm, Silver

3.7
$ 99.34
KKnoon pH Water Quality Tester Portable Pen Type pH Meter Acidometer for Aquarium Acidimeter Measure Household Drinking Solution with ATC Auto Temperature Compensation Function and Backlight

KKnoon pH Water Quality Tester Portable Pen Type pH Meter Acidometer for Aquarium Acidimeter Measure Household Drinking Solution with ATC Auto Temperature Compensation Function and Backlight

3.9
$ 43.41
Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

3.9
$ 94.00
Waterproof pH Meter and Temperature Display ATC Auto 3 Point Calibration0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

Waterproof pH Meter and Temperature Display ATC Auto 3 Point Calibration0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

3.3
$ 75.00
zerotop 4 in 1 Digital PH Meter, TDS Meter Water Tester with Backlight, PH/TDS/EC/Temp Meter with ATC 0.01 Resolution High Accuracy Pen Water Testing Kits for Drinking Water Swimming Pool

zerotop 4 in 1 Digital PH Meter, TDS Meter Water Tester with Backlight, PH/TDS/EC/Temp Meter with ATC 0.01 Resolution High Accuracy Pen Water Testing Kits for Drinking Water Swimming Pool

2.5
$ 13.00
Extech RE300 ExStik ORP Meter

Extech RE300 ExStik ORP Meter

$ 169.20
pHpenmeter,resolution0.10-14ph

pHpenmeter,resolution0.10-14ph

4.0
$ 149.85
Fubdnefvo PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

Fubdnefvo PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

$ 52.24
PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter with High Accuracy PH/Temperature Probe

$ 63.30
Ctwezoikmt PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

Ctwezoikmt PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

$ 66.31
(TM20) - Extech TM20 Waterproof Temperature Indicator

(TM20) - Extech TM20 Waterproof Temperature Indicator

4.3
$ 35.66
Doengdfo PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

Doengdfo PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

$ 61.90
TAMOSH PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

TAMOSH PH Meter with ATC Food PH Tester Waterproof Digital Food PH Meter PH Tester with High Accuracy PH/Temperature Probe

$ 64.44
XINYIFU Digital Digital with ATC 3 in 1 Water Quality Tester PH/Temp Meter Total Dissolved Solid Tester Water for Drinking Water Pool Spa Lab Aquarium Pond Tool for Water

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