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51% off
7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity 7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity

7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity

$27.29$55.70

3 sold
35% off
Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium

Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium

$23.49$36.14

3 sold
24% off
Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium

Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium

$20.37$26.80

7 sold
44% off
PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester

PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester

$6.08$10.86

8 sold
Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor

Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor

$64.86$64.86

8 sold
40% off
10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools 10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools

10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools

$24.99$41.65

367 sold
Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool

Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool

$38.65$38.65

5 sold
32% off
WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

$55.25$81.25

17 sold
26% off
ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909 ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909

ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909

$10.47$14.15

38% off
Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser

Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser

$17.37$28.02

3 sold
70% off
High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester

High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester

$1.51$5.03

Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab

Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab

$19.44$19.44

5 sold
40% off
Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller

Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller

$43.99$73.32

2 sold
35% off
Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter

Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter

$17.48$26.89

4 sold
Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V

Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V

$41.73$41.73

10 sold
4% off
8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium 8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium

8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium

$20.84$21.75

9 sold
Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools

Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools

$14.36$14.36

16 sold
20% off
7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter 7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter

7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter

$82.59$103.24

14 sold
5% off
Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger

Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger

$2741.70$2886.00

53% off
Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants

Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants

$48.87$103.98

33 sold
New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series

New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series

$69.99$69.99

37 sold
32% off
HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium

HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium

$48.72$71.64

18 sold
30% off
6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation 6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation

6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation

$31.99$45.70

8 sold
44% off
Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor

Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor

$152.24$271.85

12 sold
30% off
PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set

PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set

$9.00$12.86

7 sold
45% off
5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments 5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments

5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments

$49.89$90.71

5 sold
5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter 5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter

5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter

$16.95$16.95

31 sold
50% off
Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

$620.12$1240.25

24 sold
New 7 in 1 PH/TDS/EC/ORP/Salinity /S. G/Temperature Meter C-600 Water Quality Tester for Drinking Water, Aquariums PH Meter New 7 in 1 PH/TDS/EC/ORP/Salinity /S. G/Temperature Meter C-600 Water Quality Tester for Drinking Water, Aquariums PH Meter

New 7 in 1 PH/TDS/EC/ORP/Salinity /S. G/Temperature Meter C-600 Water Quality Tester for Drinking Water, Aquariums PH Meter

$23.74$23.74

55 sold
1/2PCS Ec Water Meter Single Key Portable Tds Pen For Drinking Laboratory Aquarium Ph Test Pen High-precision 1/2PCS Ec Water Meter Single Key Portable Tds Pen For Drinking Laboratory Aquarium Ph Test Pen High-precision

1/2PCS Ec Water Meter Single Key Portable Tds Pen For Drinking Laboratory Aquarium Ph Test Pen High-precision

$3.96$3.96

6 sold
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller

Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller

$61.19$61.19

154 sold
36% off
WiFi Tuya Smart PH Meter Data Logger Temp TDS Salinity S.G. EC ORP Water Tester Monitor Analyzer for Aquariums Pool Hydroponics WiFi Tuya Smart PH Meter Data Logger Temp TDS Salinity S.G. EC ORP Water Tester Monitor Analyzer for Aquariums Pool Hydroponics

WiFi Tuya Smart PH Meter Data Logger Temp TDS Salinity S.G. EC ORP Water Tester Monitor Analyzer for Aquariums Pool Hydroponics

$62.80$98.12

22 sold
31% off
Yieryi Replacement Sensor for 7 In 1 PH /TDS/EC/ ORP/Seawater Specific Gravity/Salinity/Temperature C-600 Meter Device Probe

Yieryi Replacement Sensor for 7 In 1 PH /TDS/EC/ ORP/Seawater Specific Gravity/Salinity/Temperature C-600 Meter Device Probe

$14.21$20.60

6 sold
AZ86031 multifunctional dissolved oxygen detector pH meter dissolved oxygen detector Aquaculture water quality DO/TDS/EC AZ86031 multifunctional dissolved oxygen detector pH meter dissolved oxygen detector Aquaculture water quality DO/TDS/EC

AZ86031 multifunctional dissolved oxygen detector pH meter dissolved oxygen detector Aquaculture water quality DO/TDS/EC

$1896.25$1896.25

2 sold
7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K pH Humidity Moisture Nutrient Conductivity Tester EC Meter 7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K pH Humidity Moisture Nutrient Conductivity Tester EC Meter

7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K pH Humidity Moisture Nutrient Conductivity Tester EC Meter

$138.00$138.00

4 sold
65% off
YAGO Water Quality Tester 7-in-1 PH TDS EC H2 ORP Salt Temp Meter for Drinking Water Pool Aquarium-Accurate Hydrogen Detection YAGO Water Quality Tester 7-in-1 PH TDS EC H2 ORP Salt Temp Meter for Drinking Water Pool Aquarium-Accurate Hydrogen Detection

YAGO Water Quality Tester 7-in-1 PH TDS EC H2 ORP Salt Temp Meter for Drinking Water Pool Aquarium-Accurate Hydrogen Detection

$32.12$91.76

2 sold
51% off
7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity 7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity

7 in 1 Water Quality Tester Pen Meter for Pools, Drinking Water Aquariums hydroponic Cooking Water:PH/TDS/EC/ORP/S.G/Salinity

$27.29 $55.70

3 sold

Categories: Tools, Measurement & Analysis Instruments

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35% off
Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium

Tuya 6 in 1 PH Meter Salinity S.G. EC ppm Temp Nutrient Tester Water Quality Testing APP Control for Hydroponics Plants Aquarium

$23.49 $36.14

3 sold

Categories: Tools, Measurement & Analysis Instruments

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24% off
Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium

Yieryi Digital PH WiFi ORP Redox 2 In 1 Controller Monitor Output Power Control Electrode Probe BNC for Aquarium

$20.37 $26.80

7 sold

Categories: Tools, Measurement & Analysis Instruments

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44% off
PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester

PH Meter 4 in 1 Water Quality Test Pen TDS EC PH TEMP High Precision Test Meter Electronic Water Quality Tester

$6.08 $10.86

8 sold

Categories: Tools, Measurement & Analysis Instruments

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Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor

Yieryi WiFi Tuya Smart 8 In 1 PH ORP TDS EC SALT S.G TEMP CF Water Quality Data Logger Meter Aquarium Hydroponics Tester Monitor

$64.86 $64.86

8 sold

Categories: Tools, Measurement & Analysis Instruments

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40% off
10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools 10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools

10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools

$24.99 $41.65

367 sold

Categories: Tools, Measurement & Analysis Instruments

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Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool

Digital Water Quality Meter 2 In 1 Online PH & EC Conductivity Monitor ATC Real-time Continuous PH Tester for Swimming Pool

$38.65 $38.65

5 sold

Categories: Tools, Measurement & Analysis Instruments

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32% off
WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

$55.25 $81.25

17 sold

Categories: Tools, Measurement & Analysis Instruments

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26% off
ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909 ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909

ABKO-Tester Pen Probe, EZ-9909 PH/TDS/EC/Temp/Salinity Water Quality Tester Pen Probe, Probe For EZ-9909

$10.47 $14.15

Categories: Tools, Measurement & Analysis Instruments

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38% off
Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser

Yieryi 3 in 1 Multi-Parameter PH Monitor Water Quality Tester PH-983 Pen Type pH EC TEMP Acidometer Drink Water Quality Analyser

$17.37 $28.02

3 sold

Categories: Tools, Measurement & Analysis Instruments

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70% off
High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester

High Precision Water Hardness Instrument EC TDS Tester Aquarium Pool PH Meter Measurement Accuracy Water Tester

$1.51 $5.03

Categories: Tools, Measurement & Analysis Instruments

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Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab

Rechargeable Digital pH Meter 5-in-1 pH/TDS/EC/Salinity/Temp with Simultaneous Data Display for Hydroponics, Aquariums, Lab

$19.44 $19.44

5 sold

Categories: Tools, Measurement & Analysis Instruments

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40% off
Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller

Tuya WiFi Digital PH ORP TDS EC Salt S.G Temp CF Meter Probe Fish Aquarium Online Water Quality Monitor Data Logger Controller

$43.99 $73.32

2 sold

Categories: Tools, Measurement & Analysis Instruments

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35% off
Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter

Bluetooth WIFI 5 in 1 PH TDS EC Salinity SG Temperature Meter Water Quality Tester for Drinking Water Aquariums Pool PH Meter

$17.48 $26.89

4 sold

Categories: Tools, Measurement & Analysis Instruments

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Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V

Tuya WiFi 5 in1 Water Quality Tester Online Monitor TDS EC S.G Salinity Temperature Test PH Meter Hydroponics Aquarium Pool 220V

$41.73 $41.73

10 sold

Categories: Tools, Measurement & Analysis Instruments

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4% off
8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium 8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium

8 IN 1 Water Quality Tester PH Test Pen Salinity/PH/TDS/EC/ORP/SG/H2/TEMP Drinking Water Test Analysis Instruments For Aquarium

$20.84 $21.75

9 sold

Categories: Tools, Measurement & Analysis Instruments

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Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools

Professional 4 IN 1 TDS PH EC Temp Meter PH Tester Water Quality Testing Temperature Monitor Pen Acid Base Measurement Tools

$14.36 $14.36

16 sold

Categories: Tools, Measurement & Analysis Instruments

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20% off
7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter 7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter

7 in 1 Rapid Soil tester Meter Nitrogen Phosphorus Potassium N P K PH Humidity Moisture Nutrient Conductivity Tester EC Meter

$82.59 $103.24

14 sold

Categories: Tools, Measurement & Analysis Instruments

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5% off
Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger

Portable Handheld Soil NPK PH EC Moisture Measurement Meter Data Logger Sensor Soil Moisture Data Logger

$2741.70 $2886.00

Categories: Tools, Measurement & Analysis Instruments

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53% off
Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants

Yieryi Soil Test Kit NPK Meter Soil Quick-acting Nitrogen/Phosphorus/Potassium Tester Nutrient Analyzers for Growing Plants

$48.87 $103.98

33 sold

Categories: Tools, Measurement & Analysis Instruments

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New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series

New Online Conductivity/TDS Controller Transmitter EC/TDS-TRA-600 Series

$69.99 $69.99

37 sold

Categories: Tools, Measurement & Analysis Instruments

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32% off
HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium

HM 2 /3 /4 in 1 Digital PH Meter TDS EC Temp PH Meter Water Quality Tester Measurement Tool for Drinking Hydroponic Aquarium

$48.72 $71.64

18 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation 6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation

6 IN 1 Soil Meter Digital Ph Tester EC/Light/Moisture/Fertility Tester Thermometer Removable Panel for Garden cultivation

$31.99 $45.70

8 sold

Categories: Tools, Measurement & Analysis Instruments

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44% off
Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor

Yieryi Smart 6 in 1 Dissolved Oxygen Meter Aquarium PH DO SALT EC TDS Swimming Hydroponics Water Quality Analysis Tester Monitor

$152.24 $271.85

12 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set

PH EC ORP TDS Calibration Buffer Liquid 4.00/6.86/9.18 Solution 35ppt 84us/cm 1413us/cm 1382ppm 222mv Standard Solution Kit Set

$9.00 $12.86

7 sold

Categories: Tools, Measurement & Analysis Instruments

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45% off
5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments 5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments

5 in 1 TDS EC PH Salinity Temperature Meter Digital Drinking Water Quality Monitor Tester for Pool Aquarium Analysis Instruments

$49.89 $90.71

5 sold

Categories: Tools, Measurement & Analysis Instruments

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5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter 5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter

5 in 1 EC TDS Salinity Temperature pH Meter Water Quality Tester for Food Beverages Salt Content Aquarium Seawater ATC Meter

$16.95 $16.95

31 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

$620.12 $1240.25

24 sold

Categories: Tools, Measurement & Analysis Instruments

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