Celebrate Tds Max: Craftsmanship Meets Innovation

Immerse yourself in the heritage and future of Tds Max—all in one place.

TDS Portable Digital TDS Meter Water Quality Tester Pen

3.7

$11

Proven UltraMax Water Purifier with smart LED, RO UV UF TDS Adjuster, Zinc Copper Alkaline 3x Purification Tech | Suitable for Borewell, Tanker, Municipal Water | Black (With Free Pre Filter)

3.1

$157

2024 All-New 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

4.4

$16

TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-9990 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy

4.3

$19

Max Water 6 Stage Reef Aquarium Reverse Osmosis System/Reverse Osmosis System/RO Water Filtration System/RO Water Purifier RODI System + HM Inline TDS Meter 200 GPD

CI$333

Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Pool Saltwater and Drinking Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy

4.3

$53

Geekpure HIDROTEK Reverse Osmosis RO Membrane 75 GPD -NSF Certificated-Water Filter Replacement-Pack 2

4.6

$54

Jinpojun TDS Tester, Water Quality Meter LCD Pen with 0-9990 PPM Measurement Range, Water Testers for Household Drinking Water, Pool, Hydroponics, Aquarium

4.4

$14

Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

4.5

$23

HM DIGITAL TDS Meters TDS-3 Handheld Temperature TDS (PPM) Tester, 0-9990 ppm, 1 ppm Resolution, 2% Readout Accuracy Testing Water Quality For Hydroponics Aquariums Pools Drinking etc

4.3

$28

TDS Tester, Water Quality Meter LCD Pen with 0-9990 PPM Measurement Range Portable for The aquaculture Industry Hospitals, Swimming Pools, Household tap Water Quality Testing

4

$21

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

4.4

$21

YakamozLCD Digital TDS-3 Meter Temp PPM Tester Pen for Testing Water Quality

4.2

$15

HM Digital DM-1 in-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

4.6

$43

HM Digital TDS-3 TDS Meter Handheld tds Tester With Large LCD Screen Includes ATC Temperature Reading Testing For Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment

4.5

$40

SKY-TOUCH TDS Digital Water Meter, Quality Tester Filter Pen, Precision Quality Testing Purity of Drinking Water, Pools and Aquariums

4.0

$7

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

$19

Extech EC210 Compact Conductivity and TDS Meter

4.3

$334

Max Water5 Stage 50 GPD (Gallon Per Day) RO (Reverse Osmosis) Standard Water Filtration System for Heavy Duty - Under-Sink/Wall Mount - Model: RO-5W4

4.4

$130

HM Digital TDS-EZ TDS Meter Handheld PPM Tester

4.4

$38

TDS Meter Digital Water Quality Tester,EC Meter & Temperature Meter 4 in 1,for Ro-Rodi System Drinking Water,Water Quality Tester 0-9990 PPM Measuring Range,1 PPM Increments（Yellow）

4.0

$20

ZeroWater TDSmeter-20 ZT-2 Electronic Water Tester, hand held, Blue

4.5

$21

iSpringGreatwell Reverse Osmosis Membrane 100 Gpd 11.75” X 1.75”, Replacement Fits Standard Under Sink Ro Drinking Water Filtration System, Mc1

4.5

$55

MORPHEUS MAX TDS Shrug-Hip Bar with Stand for Standard Plates - 400 Capacity¡

4.5

$345

TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue)

4.5

$28

HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

4.6

$25

THEMISTOThemisto TH-TDS10 Digital TDS Meter

4.2

$6

Digital TDS Meter, Accurate and Reliable, TDS, EC & Temp Meter 3 in 1, 0-9990ppm, Ideal Water Tester PPM Meter(Green)

4.4

$22

MAX INDIA Aquafresh RO+UV+UF+TDS Adjuster + Mineral Cartage, RO Purifier With 12 Ltr (Green/White)

$112

Max Water6 Stage 100 GPD (Gallon Per Day) RODI (Reverse Osmosis Deionization) Water Filtration System + Digital TDS Meter + Booster Pump for Aquarium

$350

Aptechdeals TDS Meter/Digital Tds Meter with Temperature And Water Quality Measurement For Ro Purifier (TDS)

4.1

$6

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 3% Readout Accuracy,Purple

4.5

$28

HUL Pureit Vital Pro Mineral RO+MF+UV in-Tank 7 Stage, 7L |Upto 60% Water Savings|Wall mount Water Purifier with FiltraPower technology (Black)

4.4

$417

TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

4.3

$41

HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy,Blue & White

4.6

$34

Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm, Ideal for Drinking Water, Swimming Pool, Aquariums, Hydroponics (Grey) (TDS)

4.3

$13

VIVOSUNDigital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Black White, UL Certified

4.1

$26

APEC TDS Meter Digital Water Quality TDS Test Kit Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

4.4

$27

2024 Newest TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

4.4

$18

HM Digital DM-2 tds Inline-Dual TDS Commercial Measuring Device for Testing hydroponics, Gardening, Aquarium, reefs, Pools, spas, Water Treatment, Drinking Water Filter Systems

4.6

$41

PRO MAX RO 15 LTR MINERAL RO+UV+ALKALINE COPAR FILTER 7STAGE+TDS CONTROL+ UV LED IN TANK, (WHITE)

$59

PRO MAX RO 12 LTR MINERAL RO+UV+ALKALINE COPAR FILTER 7STAGE+TDS CONTROL+ UV LED IN TANK, (WHITE) 12LTR/HR 12 L RO + UV + TDS CONTROL + UV IN TANK WATER PURIFIER (WHITE)

$68

HM Digital SM-1 In-Line Single TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

4.4

$39

2024 New 4 in 1 TDS Meter - TDS EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water, Tap, Well, Swimming Pool,Hydroponics, Aquarium, RO/DI System (Blue)

4.5

$15

MAX WATER USA Inc. 6 Stages 100 GPD Aquarium Reverse Osmosis System RO DI + HM Inline TDS Meter

CI$299

Extech EC210 Compact Conductivity and TDS Meter

4.5

$282

Water TDS Meter Water Quality Tester, LCD Display Accuracy Testing Water Meter for Drinking Water, Aquariums,RO System and More

4.3

$12

4-in-1 TDS Meter Digital Water Tester for Drinking Water - Accurate & Reliable PPM EC & Temp (°C,°F) Meter - 0-9990ppm - RO/DI Systems

4.3

$22

Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration

4.2

$84

Wellon Imported Tds Meter, Total Dissolved Solids Meter, Water Quality Tester, Ppm Tester For Water Testing - White

$2

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

4.2

$55

HM DigitalTriple Inline RO/DI TDS Monitor with 1/4 inch T-Fittings

4.2

$50

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

4.1

$26

Max Water 6 Stage Dual Output 50 GPD (Gallon Per Day) RODI (Reverse Osmosis Deionization) Water Filtration System for Drinking and Aquarium

3.7

$294

HM DigitalTDS-EZ TDS Meter Handheld PPM Tester

4.5

$28

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

4.1

$19

Max Water ULP-4040 Reverse Osmosis 4" x 40" RO Membrane, 2600 GPD | ULP 4040 For Water Purification Desalination Commercial, Industrial, Agricultural | Compatible with Dow Filmtec AG4040FF, TW30-4040

4.3

$178

TDS Meter AI-Supported Self-Calibrating for Accurate Results - Total Dissolved Solids Meter- Water Quality Meter Ideal for Drinking Water, TDS and PPM Measurement

$10

TDS Meter, 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，Rechargeable (White)

$47

Water Quality Tester, Accurate and Reliable, EC Meter & Temperature Meter 3 in 1, 0-9990 ppm, Funayama tds Meter Digital Water Tester for Drinking Water, Aquariums, etc

4.0

$30

Newest Smart Fish Tank Water Monitor 4-in-1 pH/TDS/EC/Temp 24h Online APP Monitoring for Freshwater Aquarium (WiFi Version)

4.5

$170

PH Meter & TDS Meter Digital Water Tester 5 in 1 Salinity Tester PH Temp EC and TDS Meter,PH Meter for Water with LCD Backlit,Water Testing Kits for Drinking Water,Wine,Swimming Pool,Hot Tub Spas.

4.4

$40

Generic Digital TDS & PH Meter Combo for Hydroponics, Drinking Water, and More - Accurate Water Quality Testing for Home and Professional Use

$9

Digital pH/TDS Meter with ATC Water pH Tester, 5 in 1 pH TDS EC Salinity Temp 0.01 Resolution, High Accuracy Water Quality Tester for Water, Wine, Pool, Aquariums

4.3

$48

InkbirdWater Quality Tester, Accurate and Reliable, 3 in 1 TDS EC & Temperature Meter, Data Lock Function, Instant Reading with High Accuracy, for Drinking Water, Lab, Swimming Pool, Hydroponic Setup

4.3

$32

Tds Meter Digital Water Tester, Accurate and Reliable, TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

4.2

$22

HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy (Magnetic Body)

4.3

$41

Geekpure 6 Stage Reverse Osmosis RO Drinking Water Filter System 75 GPD with UV filter - with Extra 4 Filters

$514

TDS Meter AI-Supported Self-Calibrating for Accurate Results - Total Dissolved Solids Meter- Water Quality Meter Ideal for Drinking Water, Aquariums, Hydroponics, TDS and PPM Measurement

$10

HM Digital ZT-2 Basic TDS Tester, 0-999 ppm Measurement Range , 1 ppm Resolution, +/- 3% Readout Accuracy, Black

4.5

$18

TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate Reliable PPM Meter, Digital Water Testing Kits for Drinking Water Quality

5.0

$18

Max Water Mixed Bed Ion Exchange RODI Aquarium Filter Resin Replacement Cartridge, Compatible with 10" Reverse Osmosis Water Filtration System

4.2

$36

INKBIRD Water TDS Meter Digital Water Quality Tester, EC Meter & Temperature Meter Professional 3 in 1 Accurate PPM Meter, 0~4995 ppm, for Drinking Water, Aquariums, Swimming Pool, Hydroponic Setups

4.3

$21

Max Water 5 Stage Home Reverse Osmosis System / Reverse Osmosis Water Filtration System / RO Water Filtration System Under Sink RO Water Purifier Faucet and Tank 100 GPD Extra 10 Replacement Filters

CI$296

Max Water 5 Stage 100 GPD (Gallon Per Day) RO (Reverse Osmosis) Standard Water Filtration System for Heavy Duty - Under-Sink/Wall Mount - Model: RO-5W3

4.4

$216

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

$40

Flintronic Water Quality Test TDS/EC Meter, +/- 2% Reading Accuracy, Water Testers with Back Light, for Household Drinking Water, Pool, Hydroponics, Aquarium

5.0

$8

PH Meter, 5-in-1 PH/TDS/EC/Salinity/Temperature Water Quality Tester, LCD Green Backlight Display Water Quality Tester for Aquarium/Hydroponics/Drinking Water/Pool/Pond

4.1

$40

Hofun TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

4.3

$38

TDS Meter Water Tester Quality Meter LCD Digital Pen with 0-9990 PPM Measurement Range 2% Reading Accuracy Portable for Household Tap Drinking Water/Swimming Pools/Aquarium/Aquaculture/Hospitals

4.7

$23

Water Quality Tester, Professional TDS Meter Digital Water Tester Device with LCD Screen , Handheld 0-9999 ppm TDS Measurement Water Tester Ideal for Drinking Water, Aquariums and More (White)

4.0

$23

TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

4.4

$35

iPhone 11 Pro Max Lift Heavy Score TDs Weightlifter gym skeleton joke Case

$19

HM Digital 342ppm TDS Calibration Solution (a.k.a Water Testing Solution) 3 fl oz (90 ml)

4.5

$30

Pawfly 3 in 1 TDS Meter Digital Water Tester, TDS EC and Temperature (℃/℉) Meter, Water Test Meter, 0-9999 ppm Water Quality Tester for Drinking Water Tap Water Well Aquarium

5.0

$15

TDS Tester LCD Digital Pen Water Quality Meter with 0-9990 PPM Measurement Range 2% Reading Accuracy Portable for Household tap Drinking Water Swimming Pools Aquarium Aquaculture Hospitals

$11

HM Digital DM-2 tds Inline-Dual TDS commercial measuring device for testing hydroponics, gardening, aquarium, reefs, pools, spas, water treatment, drinking water filter systems

4.6

$65

Professional 3-in-1 Pond Water Testing Kit LCD Digital TDS & EC Temperature Meter

$6

Flintronic Water Quality Test TDS Meter, 2% Reading Accuracy, TDS/Temp 2 in 1 Water Testers, for Household Drinking Water, Pool, Hydroponics, Aquarium

$6

TDS Meter Digital Water Tester, Water Tester with 0-9990 Ppm Measurement Range, Ph Tester for Water with An Accuracy of 1 PPm, Water Quality Tester for Home Aquaculture Water Quality Testing

5.0

$14

HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0-9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

4.4

$35

Water Quality Test TDS Meter With 0-9990 PPM Measurement Range Portable Digital TDS Meter Water Tester Drink Water Quality for Swimming Pools CDCS Water Plant Laboratories and Aquaculture Industry

3.4

$12

Inkbird Water Quality Tester TDS EC Temperature 3 in 1 Test Meter Digital ITDS-01 Water Test Pen with Backlit LCD Display for Drinking Water Hydroponic Aquarium Swimming Pool Fish Tank Pond RO System

4.1

$20

Mesee TDS EC Tester Meter, 3-in-1 Professional Water Quality Test Meter LCD Digital TDS & EC Temperature Meter Testing Tool for Drinking Water, Aquariums, Hydroponics, Swimming Pools, Spas

3.9

$15

Water Quality Tester, 3-in-1 Digital LCD Meter with TDS, EC, Temperature Functions, Accurate Water Quality Testing for Drinking Water, Pools, Aquariums, Hydroponics, Spas

4

$11

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

5.0

$67

Pawfly TDS Meter 5 in 1 Digital Water Tester, pH Salinity TDS EC & Temperature Meter with pH Buffer Powder, Water Quality Tester for Swimming Pool Drinking Water Aquarium Hot Tub Saltwater & Spa

4.5

$46

Water Quality Test Meter, Aideepen 3 in 1 LCD Digital Water Quality Tester with Backlight, TDS/EC Water Tester for Drinking Water, Pool, Aquarium, Swimming Pool, Pond

3.9

$21

Geekpure 6 Stage Reverse Osmosis RO Drinking Water Filter System 75 GPD - with Alkaline Filter-with Booster Pump and Extra 4 Filters

3.8

$400

HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, 2% Readout Accuracy

4.6

$34