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1. HM Digital


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

HM Digital #ad - From 0-999 ppm, indicated by a blinking 'x10' image. Economy model that is ideal for end-users. Display: large and easy-to-read LCD screen. Highly efficient and accurate due to its advanced microprocessor technology.

Tds-ez meters are calibrated with a 342 ppm nacl solution. Fun, the resolution is in increments of 10ppm, the resolution is in increments of 1ppm. Meters can be recalibrated with a mini-screwdriver. From 1000 to 9990 ppm, translucent blue housing that's very strong and durable. Measurement range: 0-9990 ppm. Hold function: saves measurements for convenient reading and recording and battery life is approx.

Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. 1000 hours of usage and power source is 2 x 1. 5v button cell batteries included LR44 or equivalent. Includes a tds chart sticker on the back of the meter that explains TDS values.
BrandHM Digital #ad
ManufacturerHM Digital, Inc. #ad
Height6.1 Inches
Length1 Inches
Weight0.06 Pounds
Width1.25 Inches
Part NumberTDS-EZ

2. Bluelab


PPM 700, CF, PPM 500, Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, EC

Bluelab #ad - Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery. Conductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; calibration optional.

Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1 Year Limited Warranty with proof of purchase. Complete your monitor and controller system with other testers and meters from Bluelab. Auto temperature compensation makes this digital meter a handy tool with backlit LCD display and selectable units.
BrandBluelab #ad
ManufacturerBluelab Corporation Limited - Import (NZ) #ad
Height1.3 Inches
Length9.8 Inches
Weight0.24 Pounds
Width2.2 Inches
Part NumberBLU2221
WarrantyOne year free repair or replacement guarantee

3. Walmeck


Walmeck Digital Professional 3 in 1 pH/TDS/TEMP Meter Water Detector LCD Multi-function Multiparameter Water Quality Tester

Walmeck #ad - Test temperature in ℃ / ℉switchable unit and can online monitoring for a long time. Imported ic and high cost performance, the electrode probe can be replaced. Easy calibration of T-D-S with just a mini-screwdriver and automatic temperature compensation. Widely used to measure the ph / Temperature / T-D-S Total Dissolved Solids of solution & water. Test the t-d-s with both PPT and PPM unit at will.
BrandWalmeck #ad
ManufacturerWalmeck #ad
Part NumberOYA5926686582742TD

4. Greentest


Greentest Drinking Water Quality Tester TDS Meter Analyser PPM + Food Digital Detector Nitrate Tester for Fruit,Vegetable,Meat Water and Fish

Greentest #ad - There are no standards for producers or labelling requirements for sellers. Food producers who add nitrates to meat must comply with strict regulations and labelling requirements. Unfortunately nitrate levels in fresh fruit and vegetables are unregulated and unchecked in most places.

Food nitrate tester--nitrates cause serious disease. It has long been established that excessive nitrates are harmful to health. Tester for meat--the device has a database of the 56 most common fruit and vegetables and is calibrated based on more than 1000 tests in leading laboratories specialised in spectrometric equipment. Tds water hardness test in 3 sec. Tester for vegetable and fruit--due to the dangers, most jurisdictions tightly control the nitrate content of meat products. As a result, a revolutionary new food safety testing device Greentest, which allows detecting fruits and vegetables cultivated improperly and evaluating the concentration of nitrates.

Multifunctional tester--our company dedicates ourselves to changing the quality of life and protecting us and our children from the infringement of harmful impurities, has been developed, nitrates and nitrites. It helps us satisfy our "green life" desires to rub the lamp. Drinking water quality meter tds tester -- greentest is a modern device for rapid analysis of nitrate content in fresh fruit, vegetables, fish and meat in 3 seconds.
BrandGreentest #ad
ManufacturerGreentest #ad
Part NumberGN-3

5. Bluelab


Bluelab Combo Meter Plus, Handheld Digital Hydroponic Nutrient and pH Meter for Measuring pH Levels, Conductivity & Temperature in Soil & Plants, Accurate pH Measurements, Bonus Carry Case Included

Bluelab #ad - Measuring is now possible at anytime and anywhere with this portable battery operated meter. This 3 in 1 device will measure your pH levels, nutrient levels & temperatures directly in your solution, to optimise nutrient availability through the growing system. Quick and intuitive to use with simple one button presses to change between measurements.

3 in 1 nutrient solution measurement - measures three key parameters to ensure your nutrient solution is at the right level and available to your plants. Get up and running fast. The versatile leap ph probe allows for pH measurement directly in the root zone area as well as in solution. World class quality & temperature meter all in one for testing soils & plants. The bluelab combo meter plus device will fit in the palm of your hand which will allow you to spot check wherever you are! The backlit, easy-to-read display and 2m/6’ cables give you the ability to measure in places previously inaccessible.

Help your plants grow - fast, reliable and versatile: combo meter plus means you will be able to measure more and build a better understanding of your complete growing system. Plant health in the palm of your hand - manage, control & monitor your plant health & performance. Your order will include; 1x bluelab combo meter, 1 x leap ph probe, 2 x aaa alkaline batteries, 1 x Conductivity / Temperature probe, Simple to use instructions & FEATURES - The Bluelab Combo Meter Plus is a pH conductivity & BONUS Carry Case. Get answers at your fingertips.
BrandBluelab #ad
ManufacturerBluelab #ad
Height2.95 Inches
Length8.66 Inches
Weight1.47 Pounds
Width4.72 Inches

6. Sunny Digital


Water Test Meter. Professional TDS EC & Temperature Meter. 3-in-1.! Accurate and Reliable Water Test Meter. With Protective Leather Case.

Sunny Digital #ad - Last tds meter you'll have to buy, we're so confident we offer a 100% Money Back Guarantee for Life! It saves you money and protects Your Health! Technical specs: accuracy: ± 2%. Professional quality, unlike economy models available, you get What You Pay For! If you are looking for a Super Accurate and Reliable Meter, this is the one for You! Tds tells you when you need to change your Filters. Range:0-5000ppm, 01-800°c, 0-9990 µs/cm, 32. 0-176. 0°f.
BrandSunny Digital #ad
ManufacturerDigital Aid #ad
Height0.75 Inches
Length6 Inches
Weight0.15 Pounds
Width1 Inches
Part NumberTDS&EC-S



2-in-1 Combo pH & Temperature Meter Water Quality Tester Replaceable BNC pH Electrode for Aquariums Hydroponics Tanks Aquaculture Laboratory

DANOPLUS #ad - Features: separate electrode to avoid contamination, composed of replaceable BNC type electrode and fixed temperature probe. Applications: great for student, professional and even personal used in achieving the correct pH and temperature level in water quality monitoring and analysis. Power supply: 4 x 1. 5v ag13 button battery or 6V DC power adaptor ideal for continuous monitoring. Measuring range: 000~14. 00ph and 0~55°c 32~131°f temperature with ATC so temperature change can't affect on pH level measurement.
ManufacturerDANOPLUS #ad
Part NumberKIB-245

8. NU Aqua


Bonus PPM Meter and Installation DVD, NU Aqua Platinum Series Deluxe High Capacity 100GPD 5-Stage Under Sink Reverse Osmosis Ultimate Purifier Drinking Water Filter System

NU Aqua #ad - This allows the system to provide up to a 99% rejection rate of 1000+ contaminants such as arsenic, fluoride, chlorine, and lead. Brand: the nu aqua platinum series has gone through rigorous development and testing in our lab to provide consistent great tasting, clean and healthy water on demand. Industry leading 5 year warranty: backed by an industry leading 5 year manufacture warranty and lifetime support the NU Aqua Platinum comes with the industries best support and a satisfaction guarantee.

High flow rate: at 100gpd this system doubles the output of standard under sink drinking water filtration systems while increasing contaminant rejection rates and providing a taste superior to bottled water this systems 5 stages ensure the highest standard of drinking water quality unparalleled by pitcher filters or countertop purifiers. Featuring professional grade high quality quick connect fittings, an elegant NSF 100% lead-free designer faucet to keep your counter top looking great and double o-ring sealed filter housings to provide a guaranteed leak free experience.

Our carbon filters provide a higher absorption rate due to the molecular structure of the pores becoming more permeable which allows even the smallest of particulates to be efficiently removed from your water. Premium quality u. S. Color coded tubing, quick connect fittings and simple design allows the system to fit under standard kitchen sinks. Free bonus installation dvd and ppm meter: extremely easy do-it-yourself installation can take less than 1 hour with the provided step by step installation DVD or the easy to follow installation manual.
BrandNU Aqua #ad
ManufacturerNU Aqua #ad
Height16.3 Inches
Length16.9 Inches
Weight20 Pounds
Width16.5 Inches
Part Number799789985164

9. ZeroWater


Blue, ZeroWater ZT-2 Electronic Water Tester

ZeroWater #ad - Measure total dissolved solids in water. Our pitchers, tumblers, & dispensers remove virtually all solids for the purest tasting water. Know exactly when to change filters. Easy to Use. Get the lead out: zerowater filters are the only pour-through filters NSF Certified to remove chromium & lead. Compare water samples.
BrandZeroWater #ad
ManufacturerZero Technologies, LLC #ad
Height5 Inches
Length6 Inches
Weight0.08 Pounds
Width7 Inches
Part NumberZT-2