Tds Meter(991)
Uses item details. Price when purchased online
All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc $11.99 Was $21.98
Sponsored
Now$1199
current price Now $11.99, Was $21.98$21.98
All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
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Clearance TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue $13.99 Was $19.99
Sponsored
Now$1399
current price Now $13.99, Was $19.99$19.99
TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue
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Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79 Was $11.99
Sponsored
Now$1079
current price Now $10.79, Was $11.99$11.99
Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
84.3 out of 5 Stars. 8 reviews
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Best seller TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $10.55 Was $19.99
Sponsored
Now$1055
current price Now $10.55, Was $19.99$19.99
TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
1044.1 out of 5 Stars. 104 reviews
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Overall pick iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm $6.99
$699
current price $6.99iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm
834.3 out of 5 Stars. 83 reviews
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All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(C,F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc $11.99 Was $21.98
Now$1199
current price Now $11.99, Was $21.98$21.98
All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(C,F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
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Best seller TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $10.55 Was $19.99
Now$1055
current price Now $10.55, Was $19.99$19.99
TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
1044.1 out of 5 Stars. 104 reviews
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Best seller TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools Was $9.20
TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools
314.6 out of 5 Stars. 31 reviews
Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New From $2.79
From$279
Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
35 out of 5 Stars. 3 reviews
Clearance TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue $13.99 Was $19.99
Now$1399
current price Now $13.99, Was $19.99$19.99
TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue
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Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,±0.01 $19.99
Sponsored
$1999
current price $19.99Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,±0.01
393.9 out of 5 Stars. 39 reviews
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Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99 Was $39.99
Sponsored
Now$2999
current price Now $29.99, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
443.5 out of 5 Stars. 44 reviews
Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79 Was $11.99
Now$1079
current price Now $10.79, Was $11.99$11.99
Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
84.3 out of 5 Stars. 8 reviews
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Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99 Was $39.99
Now$2999
current price Now $29.99, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
443.5 out of 5 Stars. 44 reviews
Clearance water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue From $1.49
From$149
water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter,0-9990ppm - Professional Testing for Drinking Water,RO/DI System,Aquariums etc
4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter,0-9990ppm - Professional Testing for Drinking Water,RO/DI System,Aquariums etc
2025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More $12.99
$1299
current price $12.992025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
84.3 out of 5 Stars. 8 reviews
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Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $23.99 Was $29.99
Now$2399
current price Now $23.99, Was $29.99$29.99
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
373.5 out of 5 Stars. 37 reviews
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YAHHU Portable TDS Meter Digital Water Quality Tester 3-in-1 EC Temp Kit (6.30 inches / 16 cm) $12.18
$1218
current price $12.18YAHHU Portable TDS Meter Digital Water Quality Tester 3-in-1 EC Temp Kit (6.30 inches / 16 cm)
TDS Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-held 3-in-1 Water Purity Tester for Drinking Water Hydroponics Plants Aquarium and Pool
TDS Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-held 3-in-1 Water Purity Tester for Drinking Water Hydroponics Plants Aquarium and Pool
314.5 out of 5 Stars. 31 reviews
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2025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More $12.99
Sponsored
$1299
current price $12.992025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
84.3 out of 5 Stars. 8 reviews
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VEVOR TDS Meter, 0-9990 ppm Measuring Range, EC (Conductivity) /TDS (ppm) Multi-Parameter Measurement, Digital Water Tester with ATC, Clear VA Display Screen, for Drinking Water Quality Testing $42.99
Sponsored
$4299
current price $42.99VEVOR TDS Meter, 0-9990 ppm Measuring Range, EC (Conductivity) /TDS (ppm) Multi-Parameter Measurement, Digital Water Tester with ATC, Clear VA Display Screen, for Drinking Water Quality Testing
TDS Meter TDS Meter Digital Water Quality Tester 0-9999 Measurement Range Water Temperature Meter Tester $5.19
$519
current price $5.19TDS Meter TDS Meter Digital Water Quality Tester 0-9999 Measurement Range Water Temperature Meter Tester
Lzvxtym 2Pcs Multifunctional PH Meter TDS EC LCD Water Purity PPM Filter Hydroponic Pool Tester Tool Was $19.99
Lzvxtym 2Pcs Multifunctional PH Meter TDS EC LCD Water Purity PPM Filter Hydroponic Pool Tester Tool
264 out of 5 Stars. 26 reviews
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Rupoun TDS Meter Dual Color Prompt Backlit Display TDS Test Pen High Sensitivity Water Quality Detector [cite: 10, 11] $13.71
![Rupoun TDS Meter Dual Color Prompt Backlit Display TDS Test Pen High Sensitivity Water Quality Detector [cite: 10, 11]](https://i5.walmartimages.com/seo/Rupoun-TDS-Meter-Dual-Color-Prompt-Backlit-Display-TDS-Test-Pen-High-Sensitivity-Water-Quality-Detector-cite-10-11_882a9c16-8273-4244-bd63-3ec82051e5bb.79dbd08bdfe81eefc0112563d4250161.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1371
current price $13.71Rupoun TDS Meter Dual Color Prompt Backlit Display TDS Test Pen High Sensitivity Water Quality Detector [cite: 10, 11]
DAMAI 2025 New 4 in 1 Digital Water Quality Tester,0-9990PPM TDS Meter Digital Water Tester,Professional Testing for Drinking Water, Hydroponics, Aquariums, RO Systems Swimming Pools Was $6.77
DAMAI 2025 New 4 in 1 Digital Water Quality Tester,0-9990PPM TDS Meter Digital Water Tester,Professional Testing for Drinking Water, Hydroponics, Aquariums, RO Systems Swimming Pools
15 out of 5 Stars. 1 reviews
Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01 $19.99
$1999
current price $19.99Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01
393.9 out of 5 Stars. 39 reviews
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ZOUYUE 3 In 1 TDS Water Tester TDS EC Temperature Water Meter 0-9999 ppm Accurate Electric Digital Water PPM Meter Hand-held Water Purity Tester for Drinking Water Swimming Pool Aquarium
ZOUYUE 3 In 1 TDS Water Tester TDS EC Temperature Water Meter 0-9999 ppm Accurate Electric Digital Water PPM Meter Hand-held Water Purity Tester for Drinking Water Swimming Pool Aquarium
23 out of 5 Stars. 2 reviews
YAHHU M1S Water Quality Tester Analyzer Portable TDS Meter Pen with High Accuracy Digital LED Display for Drinking Water and Aquarium 0‑9999ppm (15.00 in / 38.1 cm)
YAHHU M1S Water Quality Tester Analyzer Portable TDS Meter Pen with High Accuracy Digital LED Display for Drinking Water and Aquarium 0‑9999ppm (15.00 in / 38.1 cm)
Clearance ZOURIH TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water, From $5.95
2 options
Available in additional 2 optionsFrom$595
ZOURIH TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water,
24.5 out of 5 Stars. 2 reviews
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen $32.39 Was $35.99
Sponsored
Now$3239
current price Now $32.39, Was $35.99$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
11 out of 5 Stars. 1 reviews
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $23.99 Was $29.99
Sponsored
Now$2399
current price Now $23.99, Was $29.99$29.99
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
373.5 out of 5 Stars. 37 reviews
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Riousery M1S Water Quality Tester and Digital TDS Meter Pen for Pure Water Testing, 0-9999ppm / 0-9999 mg/L Range with Crisp Backlight LED Display $13.01
$1301
current price $13.01Riousery M1S Water Quality Tester and Digital TDS Meter Pen for Pure Water Testing, 0-9999ppm / 0-9999 mg/L Range with Crisp Backlight LED Display
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $28.34 Was $31.49
Now$2834
current price Now $28.34, Was $31.49$31.49
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
15 out of 5 Stars. 1 reviews
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2026 All-New 4-in-1 TDS Meter: Test TDS, EC & Temp (C/F) with 0-9999 ppm Range. Accurate Digital Water Tester for Drinking Water, RO/DI Systems, Aquariums, Hydroponics. $15.27 Was $16.99
Now$1527
current price Now $15.27, Was $16.99$16.99
2026 All-New 4-in-1 TDS Meter: Test TDS, EC & Temp (C/F) with 0-9999 ppm Range. Accurate Digital Water Tester for Drinking Water, RO/DI Systems, Aquariums, Hydroponics.
15 out of 5 Stars. 1 reviews
YAHHU 3-in-1 Water TDS Meter Digital Water Quality Tester EC Temperature Meter for Drinking Tap Water, 6.06x1.18x0.55 inches / 15.4x3.0x1.4 cm Blue $11.48
$1148
current price $11.48YAHHU 3-in-1 Water TDS Meter Digital Water Quality Tester EC Temperature Meter for Drinking Tap Water, 6.06x1.18x0.55 inches / 15.4x3.0x1.4 cm Blue
APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy $18.99
$1899
current price $18.99APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy
284.1 out of 5 Stars. 28 reviews
Riousery High Precise 6 in 1 Water Quality Meter PH TDS EC SG Salt Temp Tester WiFi US Plug (9.45 inches / 24 cm) $85.24
$8524
current price $85.24Riousery High Precise 6 in 1 Water Quality Meter PH TDS EC SG Salt Temp Tester WiFi US Plug (9.45 inches / 24 cm)
YAHHU Blue Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 0-9999 PPM Temperature Display for Hydroponics Pools Aquariums Drink Monitoring (6.1 inches / 15.5 cm) From $8.85
4 options
Available in additional 4 optionsFrom$885
YAHHU Blue Digital LCD Water Quality Testing Pen Purity Filter TDS Meter Tester 0-9999 PPM Temperature Display for Hydroponics Pools Aquariums Drink Monitoring (6.1 inches / 15.5 cm)
Suodoka TDS Meter Pen Type Digital Water Tester with 0-9990ppm Measurement Range for Home Drinking Water Aquariums Swimming Pool
Suodoka TDS Meter Pen Type Digital Water Tester with 0-9990ppm Measurement Range for Home Drinking Water Aquariums Swimming Pool
Easy Carry TDS Meter Reliable Water Quality Tester Easy to Use for Fast Water Quality Testing In Laboratories Schools $11.45
$1145
current price $11.45Easy Carry TDS Meter Reliable Water Quality Tester Easy to Use for Fast Water Quality Testing In Laboratories Schools
Digital TDS Meter Water Quality Tester - 0-9999 ppm, High Accuracy, Portable Pen for Drinking Water RO Aquarium Pool $40.00
$4000
current price $40.00Digital TDS Meter Water Quality Tester - 0-9999 ppm, High Accuracy, Portable Pen for Drinking Water RO Aquarium Pool
PatungKu High Precise Digital Water Analysis Tool For TDS Temperature Salinity Monitoring $27.72
$2772
current price $27.72PatungKu High Precise Digital Water Analysis Tool For TDS Temperature Salinity Monitoring
Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP $349.98
$34998
current price $349.98Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP
194.8 out of 5 Stars. 19 reviews
2025 All-New 4 in 1 Tds Meter Digital Water Tester, Water Tester for Drinking Waters for Tap, Well, Pool, Hydroponics, Aquarium, Ro/Di System, Compact and Portable (White)
2025 All-New 4 in 1 Tds Meter Digital Water Tester, Water Tester for Drinking Waters for Tap, Well, Pool, Hydroponics, Aquarium, Ro/Di System, Compact and Portable (White)
CT-3030 Ttyle Pen Type Conductivity Meter TDS Meter Digital Portable Tester Measurement Range 0-1999 $74.67
$7467
current price $74.67CT-3030 Ttyle Pen Type Conductivity Meter TDS Meter Digital Portable Tester Measurement Range 0-1999
NFTIGB M1S Water Quality Tester Meter, High Accuracy Digital TDS Tester Pen with Large LED Display for Drinking Water, Pool, and Aquarium, 0-9999ppm (5.9 x 1.18 x 0.78 inches / 15.0 x 3.0 x 2.0 cm) $14.01
$1401
current price $14.01NFTIGB M1S Water Quality Tester Meter, High Accuracy Digital TDS Tester Pen with Large LED Display for Drinking Water, Pool, and Aquarium, 0-9999ppm (5.9 x 1.18 x 0.78 inches / 15.0 x 3.0 x 2.0 cm)
Rupoun Digital TDS Meter Water Quality Tester 0-9990ppm PPM Meter for Drinking Water Aquarium 6.1 inches / 15.5 cm Portable Purity Monitor High Accuracy TEMP Testing Pen $10.02
$1002
current price $10.02Rupoun Digital TDS Meter Water Quality Tester 0-9990ppm PPM Meter for Drinking Water Aquarium 6.1 inches / 15.5 cm Portable Purity Monitor High Accuracy TEMP Testing Pen
Nieyigj M1 Digital TDS Meter Test Pen Water Quality Analyzer Portable Multi-parameter Tester for Swimming Pool Aquarium Hydroponics 0-9990 PPM Measurement Range High Accuracy Resolution $10.49
$1049
current price $10.49Nieyigj M1 Digital TDS Meter Test Pen Water Quality Analyzer Portable Multi-parameter Tester for Swimming Pool Aquarium Hydroponics 0-9990 PPM Measurement Range High Accuracy Resolution
Tds Meter Digital Water Tester,Accurate and Reliable,TDS Meter, EC Meter & Temperature Meter 3 in 1,Water Test Meter $10.56
$1056
current price $10.56Tds Meter Digital Water Tester,Accurate and Reliable,TDS Meter, EC Meter & Temperature Meter 3 in 1,Water Test Meter
45 out of 5 Stars. 4 reviews
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