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We’ve ranked and reviewed the top 20 best measuring hardness of water, enabling you to track prices across multiple websites and compare in-store or online options.
Best Measuring Hardness Of Water Comparison 2023
SaleBestseller No. 1 
Premium Water Hardness Test Kit | Fast and Accurate Hard Water Quality Testing Strips for Water Softener Dishwasher Well Spa Pool, etc. | 0-425 ppm | Calcium and Magnesium Total Hardness (150 Strips)
- 💧 QUICK AND ACCURATE - Save time and get accurate test results within seconds. Simply dip the strip into the water and compare it to the large color chart on the bottle. No need to visit a store or wait for someone else to test the quality of your water. Enjoy consistently accurate and reliable results whenever you need them.
- 💧 EASY TO READ RESULTS - The oversized color chart makes reading your results effortless. Compare your results from red to green, with values of 0-25 GPG and 0-425 PPM.
- 💧 Varify FreshSeal (EXTENDED SHELF LIFE) - This kit includes a ready to use bottle and two separately sealed pouches of 50 strips. Simply empty the refill pouch into the bottle once the initial strips are used up. Test confidently knowing that your strips are sealed for guaranteed freshness and reliability.
- 💧 24/7 DEDICATED SUPPORT TEAM - With more than 20 years of experience in the water testing industry, our devoted team of EPA water quality experts are ready to offer timely and informative responses based on your needs. Your question is just one click away from a live team member.
- 💧 SUPPORTS NON-PROFIT CHARITY - Each sale sponsors clean water for someone in the Central African Republic for a year. Support worldwide change while monitoring your water hardness. #WaterForGood #CleanWaterWorldwide
SaleBestseller No. 2 
16 in 1 Drinking Water Test Kit - Hofun Professional Hardness Testing Kits, Tap and Well Water Test Strips with Hardness, PH, Mercury, Lead, Iron, Copper, Chlorine, Chromium/Cr, Cyanuric Acid
- ✔[ 16 IN 1 WATER TEST KIT] Hofun water test strips is equipped with 16 major function, including: PH, Mercury, Lead, Iron, Copper, Total Alkalinity, Hardness, Nitrite, Nitrate,Bromine, Free Chlorine, Total Chlorine , Fluride, Chromium/Cr,Carbonate Root,Cyanuric acid , helps you to have a clear mind of how clear and healthy your water is.
- ✔[ EXTRA ACCESSORIE & EASY OPERATION ] Hofun spa test kit is sweet enough to equip with dropper & test tube, which would avoid water pollution and make a convenient operation.
- ✔[ WIDE USAGE WATER TEST KIT ] Hofun 16 in 1 water test strips can be applied to a wide range of water inspection, like drinking water, pool, hot tub, spa, pond, aquarium, industrial waste water,etc.
- ✔[ THE MOST ACCURATE & SCIENTIFIC WATER TEST STRIPS] Hofun specializes in testing & measuring area for years and adopts the most reliable strips on our products to assure the accuracy of testing water quality.
- ✔[ PERFECT VALUE FOR YOUR MONEY ] - Hofun water testing kits for drinking water is absolutely economic, it will save you thousands of Dollar from send your water to lab to be tested. It’s also time-saving due to convenient operation.
SaleBestseller No. 3 
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
- ✔[ BONUS 3 in 1 Digital TDS Temperature & Conductivity Meter] Hofun 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Three different measurement needs can be fulfilled by one digital water quality tester. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life.
- ✔[ RELIABLE TDS METER -- ACCURATE & QUICK] Equipped with premium quality titanium alloy probe, Hofun TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter，Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc.
- ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line).
- ✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation. Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
- ✔[ HIGH QUALITY TDS METER] Hofun water quality test meter is manufactured under extra high standards and of excellent quality. Thus we have absolute confidence of our water test meter.
Bestseller No. 4 
Dr. Lyn 3 in 1 TDS Pen Zero Water Quality PPM Tester Meter - 0-5000 PPM - for Hydroponics Growing Reverse Osmosis System - Aquaculture Colloidal Silver Beer Wine Pool Hardness Salinity - Leather Case
- ULTIMATE SAFETY & QUALITY - Within 5 seconds you can learn the water quality with utmost accuracy and speed via this set of TDS Pen. Prevents water hardness risks and associated health issues with our TDS meter. This will easily safeguard every family from unfit water consumption. Premium quality probe and ACT ensures the water quality tester reads accurately at various temperatures
- 3 IN 1 FUNCTIONALITY - This truly revolutionary, cutting edge and pristine quality TDS meter can test TDS, EC and temperature. Its measuring range of TDS is 0-9999 ppm with accuracy of ± 2% is one of the most unparalleled features on the market today. The superbly precise EC range is 0-9999 us/cm and the temp range is a robust 32.0-212°F- 0-99.0°C with accuracy of ±0.1℃. Multiple functionality at a fraction of the cost!
- AUTOMATED USAGE – What good is a TDS meter if it can’t be operated with automated convenience? We have the solution! The reading result will be auto-locked on LCD in seconds. To ensure safety of the the power supply, the water tester will shut down automatically after 2 minutes stand by. Usages include: water hardness, wastewater plant, aquaculture, hydroponics, pool/spa, colloidal silver, ecology, food processing, cosmetics, wine, beer brewing, home and outdoor.
- GREAT DESIGN AND LCD – Unlike traditional screens, our water tester pen is designed with advance LCD backlit display, which is easier and clearer for taking readings. The TDS meter is portable, versatile, dynamic and every family or individual’s superpower when it comes to water quality and safety! You can test water anywhere to know the hardness of drinking water. Trips, camping, resorts, hiking, travel, lakes, you name it! Includes a generous 3 year warranty. Comes with a compact leather case
- 100% RISK FREE PURCHASE– We are a truly remarkable company offering one of the absolute best water quality testers on the market. Buy with utmost confidence. If for any reason you aren’t happy, simply contact us and we’ll replace or refund the product for you. 100% risk and hassle free! Your satisfaction is our utmost goal. ‘Add to Cart’ now and join thousands of people around the world who care for their health and that of their families! You owe the miracle of clean water to yourself!
Bestseller No. 5 
Handheld Water Quality Hardness Purity Total Dissolved Solids TDS Meter Digital LCD 0-9990 PPM Temperature from 0-99° C by Envistia Mall
- Get accurate readings and learn more about your water quality and hardness with this Total Dissolved Solids (TDS) Meter
- Measures water hardness in parts per million, ppm, by measuring electrical conductivity (ec).
- Displays total dissolved solids from 0-9999 PPM and temperature from 0-99° C
- Excellent for use with home aquariums, ponds, and hydroponics systems where TDS ranges need to be monitored and tuned. Make sure your water filter is working and get to understand the hardness of your tap water by using the TDS meter before water changes or water top offs.
- Comes with a carrying case.
Bestseller No. 6 
Water Quality Measurement
- Grab this app and know how to measure water quality.
- English (Publication Language)
Bestseller No. 7 
The EC Reader - 1950 - Birth of the New Trend (The Chronological EC Comics Review)
- Christensen, Daniel S. (Author)
- English (Publication Language)
- 92 Pages - 01/19/2013 (Publication Date) - Studio Remarkable (Publisher)
Bestseller No. 9 
Vibram Men's FiveFingers, V-Run Running Shoe Black Yellow 43 M
- Perforated fabric mesh upper with Lycra stretch
- Adjustable bungee laces with toggle closure for a secure fit
- VI-LITE for the ultimate in lightweight shock absorption and cushioning
- Vibram XS RUN for maximal stable hardness for better ground contact and added grip
- Vibram MONT compound rubber outsole offers reliability on the most difficult terrain at low temperatures
SaleBestseller No. 10 
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
- ✅ TEST YOUR WATER: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
- ✅EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
- ✅MEASUREMENT RANGE: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
- ✅AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
- ✅CUSTOMER SATISFACTION: We stand behind our products and will always focus on your satisfaction. If you don't love our products, please don't hesitate to contact us
SaleBestseller No. 11 
Water Hardness Test Strips - Quick and Accurate Water Softener Test Strips - Hard Water Test Strips with eBook - Ultimate Test Kit for Water Hardness - 150 Test Strips by JNW Direct
- CHECK WATER HARDNESS: This handy water hardness test kit allows you to test the hardness of all water sources, from home faucets and taps, to well water, water softeners, dishwashers, showers, aquariums, and many more
- MULTIPLE USES: The right levels of water hardness can make a huge difference in the softness of your laundry. Determine whether your water softener is working as efficiently as expected with this water softness test kit. It also helps you keep tabs on your water conditioning and reverse osmosis systems
- QUICK & ACCURATE: With this water hardness test kit for water softener it’s quick and easy to accurately measure water hardness! The hardness water tester offers instant reliable results with simple and clear instructions. Simply dip and compare with the color chart
- 150 TEST STRIPS: Get more for your money with our soft and hard water test kit. The hard and soft water test kit contains 150 water hardness test strips that can be used to test home faucets and taps, well water, water softeners, dishwashers, showers, and many other water sources
- INCLUDES EBOOK: Our hard water tester strips come with a handy eBook packed with information about your water hardness. Record, track and monitor the results of your water test strips with ultimate accuracy for best results
Bestseller No. 12 
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.
- ✔ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
- ✔MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
- ✔EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
- ✔MULTIPURPOSE TDS TESTER: Test the purity of drinking water to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc.
- ✔3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.
Bestseller No. 13 ![USA Made Total Water Hardness Test Strips 0-500 ppm for Water Quality Tests [100 Strips in Moisture Wicking Bottle]](https://m.media-amazon.com/images/I/41MhrjJYEeL._SL160_.jpg "Top 10 Best Measuring Hardness Of Water Reviews & Comparison 13")
USA Made Total Water Hardness Test Strips 0-500 ppm for Water Quality Tests [100 Strips in Moisture Wicking Bottle]
- Understanding your water hardness enables you to determine if you need to use water softener
- Quickly and easily test to see if your water softener is working as efficiently as expected or if it was set up properly.
- Incredibly easy to use, nothing but the strips are required for testing, and the results are instant and accurate!
- 100 strips, each provides accurate and fast results for all water sources including home faucets & taps, well water, fresh and salt water pools, spas, hot tubs, drinking water, & aquariums.
- Proudly made in America to the highest standards, including a moisture wicking bottle that ensures the strips are made to last.
Bestseller No. 14 
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
- 👍【 TEST YOUR WATER】: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
- 👍【 EASY TO USE AND ACCURATE】: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with a belt clip
- 👍【AUTO-OFF AND HOLD FUNCTION】: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
- 👍【MEASUREMENT RANGE】: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
- 👍【CUSTOMER SATISFACTION】: We are very proud of our reputation for high-quality products & outstanding customer service, if there's any question, please kindly feel free to contact us, we are 24 hours online
SaleBestseller No. 15 
17 in 1 Premium Drinking Water Test Kit - 100 Strips + 2 Bacteria Tests - Home Water Quality Test - Well and Tap Water - Easy Testing for Lead, Bacteria, Hardness, Fluoride, pH, Iron, Copper and more!
- ✓ SAVE MONEY / TEST 100 TIMES! - Testing each element separately at a lab can cost hundreds of dollars, which prevents people from testing every six months. Use this test to stay updated on your water quality without spending hundreds! 100 Strips means 100 tests!
- ✓ SIMPLE AND ACCURATE - No need to be a professional. Get your results quickly and easily whether it’s your tap, well, filtered, or any other water source!
- ✓ COMPLETE TEST - Our test currently offers the widest array of parameters on the market. This 17 parameter kit covers all the main contaminants you need to worry about. Includes: Lead, Bacteria (E. Coli / Water Contamination), Mercury, Fluoride, Iron, Copper, Sulfate, Zinc, Hydrogen Sulfide, Total chlorine, Nitrite, Nitrate, pH, Total Alkalinity, Hardness, Sodium Chloride, and Manganese!
- ✓ SUPPORTS CHARITY - A portion of all sales are donated to our brand partner, Water For Good, a non profit charity tackling water poverty in the Central African Republic. Test your water knowing you're making worldwide change! #CleanWaterWorldwide
- ✓ LIVE CUSTOMER SUPPORT - Our team of water quality experts offer very fast and effective responses through our 24/7 live chat, as well as our email! Our customers voice is very important to us, and thats why we make it so easy for them to contact us!
Bestseller No. 17 
AINUOSHI Engagement Rings for Women 5.5ct Cushion Cut Cubic Zirconia CZ 925 Sterling Silver Wedding Rings Christmas Gifts for Women Anniversary Valentines Day Gifts for Her (7.5)
- 【High-quality Stone】: 5.9 carats cushion cut center stone, spherical triangle-cut side stone transparent cubic zirconia. This ring gemstone is very elegantly cut and provides high-quality fashion.
- 【Specification】: 925 silver is added with other metals to increase its hardness, making jewelry and handicrafts not easy to oxidize and deform, and change color. High polished finish, hypoallergenic, safe for sensitive skin ensures a comfortable fit and high quality product. The metal weight of ring is about 3.2g and the width of ring band is 2.6mm.
- 【Full Size】: 4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10, we provide the ring of full size to satisfy all kinds of size demanded. Kindly please wear it avoid hot water, sea water, shampoo, shower cream, perfume and other corrosive liquid.
- 【Occasion】: The ring will be packed in a exquisite jewellery box with a velvet pouch. No need for other packaging. It is a nice gift for women. It suits for party, daily wearing or fashion occasion. Our jewelry makes an emotional surprise and a great gift for birthdays, anniversaries, Mother's Day or wedding celebration.
- 【Warranty】: AINUOSHI is committed to providing higher customer satisfaction. We provide 30-days money back guarantee for any reason and lifetime warranty for any quality issues. If there is any problem with the product, please don't hesitate to contact us. We will solve the problem within 24 hours. With easy Amazon returns you will never be left with a product you do not like.
Bestseller No. 18 
PH and PPM Meter for Water Hardness Test Accurate and Reliable Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1for Drinking Water, Aquariums, etc.
- 【Multi-functional water quality meter】conductivity meter adopting advanced technology, just one water hardness test to achieve three functions, can complete the work of TDS meter, thermometer, and conductivity meter, to meet your different measurement needs, bring you the greatest convenience, while saving your time and money.
- 【Upgraded LCD backlight】Our conductivity meter is equipped with low-power backlight technology, which saves energy and allows you to test water easily at night or in dark places. It can also be used to distinguish between potable and non-potable water. A red backlight (ppm>40) means this is non-potable water. A useful water testing kit for your water safety at home.
- 【Easy and convenient operation】total dissolved solids meter Just turn on the TDS water meter, gently stir the water, and the stable reading will be automatically locked on the LCD screen within seconds; the TDS tester will automatically turn off after 2 minutes of non-use to save battery power.
- 【Accuracy and wide measurement range】water hardness test Advanced 3-in-1 (TDS, EC, Temperature) conductivity pen with high quality titanium probe for high accuracy, reliable automatic temperature compensation (ATC) ensures readings are always accurate at all temperatures. The test range is 0-9990 ppm, with resolution in 1ppm increments, indicated by a flashing "x10" image
- 【High-capacity battery】water hardness test Equipped with 3V high-capacity coin cell battery. Can be used effectively for more than three years.
Bestseller No. 19 
BOSIKE 2 in 1 Water Hardness & pH Test Strips Kit | 150 Strips | Water Softener, Dishwasher, Pool, Spa & Well Water Testing - Test Kit to Avoid Hard Water
- Test Water Hardness - High level of total hardness in swimming pool will cause number of issues. Such as limescale build-up may affect the water pressure in your home and pool plumbing system, as well as affect your skin health
- Why Test pH - the U.S. EPA recommends a pH between 6.5 and 8.5 for drinking water. In acidic water(low pH), iron causes a metallic taste as well as reddish stains on clothing and plumbing, while other metals such as lead are toxic. Alkaline(high pH) or “hard” water contains excess calcium and other minerals that cause the familiar scaly deposits on cookware and a bitter taste in coffee
- High-Percision Results - These water hardness test strips can easily provide instant and reliable results in no time without putting in much effort. Use at least twice per week or as needed to monitor your water quality at regular intervals
- Easy to Use - Just one single dip in the water for 2 seconds and then remove it. Hold the strip horizontally for 15 seconds, compare it with the given color chart on the bottle to get accurate results. 150 water strips are enough to test your pool, spa, hot tub, and other water regularly
- Extended Longevity - Test strips for pool are packaged in a well-sealed bottle to ensure they can be stored for 2 years. Too many or too few chemicals can both compromise the water's safety, our strips can keep your water healthy and clean all year round
Bestseller No. 20 
Pinpoint Water Hardness (Conductivity) Meter Kit, Lab Grade Bench Meter Created for The Home User, Lab or Water Professional
- Comes complete with meter, probe and calibration fluid
- PINPOINT Water Hardness Probe is permanent
- Large LCD display is very easy to read from a distance
- Portable
Editor’s Notes
We ranked and reviewed the top 20 Best measuring hardness of water in 2023. With the support of 79585 customer’s reviews, we hope that this article can give you the most realistic view of these products.
