10 bestTds Testerof December 2025
112M consumers helped this year.
1
2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temperature(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums, Pool, etc.
MEXYBE
9.9
2
Kactoily 6-in-1 Drinking Water Quality Tester, TDS Meter Digital Water Tester| TOC,COD,TDS,UV275,EC & Temp | Organic Contamination | Lab Grade | Well, Tap, Water Purifier & Outdoor Water Quality
kactoily
9.8
3
TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy（White）
ARCHER LIFE HALL
9.6
4
HM Digital DM-1 in-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2-Percent Readout Accuracy
HM Digital
9.3
5
Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
HoneForest
9.0
OtherUp to 17% off
ZeroWater TDSmeter-20 ZT-2 Electronic Water Tester, Blue
7 in 1 TDS Meter, Digital Versatile Water Tester-TDS/EC/PH/Salt/S.G/OPR/Temperature, Professional Testing for Drinking Water, Fish Tank, Hydroponics, Laboratory, Pool, Aquarium
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More (Green)
6
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 PPM Measurement Range, 1 PPM Resolution, +/- 3-Percent Readout Accuracy
HM Digital
8.7
7
Water Quality Tester 6-in-1 EC UV275 TOC COD TDS Temperature, Portable Water Quality Meter with Digital Intelligent Scoring for Drinking Water - Well, Tap, Purified, Groundwater, etc.
DANOPLUS
8.5
8
TDS Meter,ProPOW Water Quality Tester 3-in-1 TDS/EC/Temperature Meter,Water Testing Kits for Drinking Water,Swimming Pools,Aquariums,Hydroponics, Measure 0-9999 ppm (Yellow)
ProPOW
8.2
9% off
9
PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
Extenuating Threads
7.9
10
7 in 1 Water Quality Tester Pen-Type TDS ORP Meter PH Tester for Drinking Water Pools Aquariums hydroponic Cooking Measuring PH/TDS/EC/ORP/Salinity/S.G/Temperature Multi-parameters, ATC Function
Landtek
7.6
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