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Weβve ranked and reviewed the top 20 best water hardness tester, enabling you to track prices across multiple websites and compare in-store or online options.
Best Water Hardness Tester 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)
- π§ 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.
- π§ 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.
- π§ 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.
- π§ 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.
- π§ 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 
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
- β[ 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.
- β[ 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 meterοΌIdeal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc.
- β[ 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).
- β[ 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.
- β[ 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.
SaleBestseller No. 3 
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 itβs 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. 4 
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
- π§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).
- π§Easy To Use & 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.
- π§Auto-off & 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.
- π§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.
- π§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. 5 
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
- β 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)
- β 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
- β 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
- β 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
- β 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. 6 
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!
- β 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!
- β SIMPLE AND ACCURATE - No need to be a professional. Get your results quickly and easily whether itβs your tap, well, filtered, or any other water source!
- β 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!
- β 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
- β 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. 7 
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
Bestseller No. 8 
AccusizeTools - Phase II Portable Hardness Tester, 5-Year-Warranty, NIST Traceable, Accuracy: +/- 0.5% (referred to L=800), #PHT-1800
- State of the art, digital portable hardness tester is designed to test the hardness of large hard metal parts. Loaded with useful functions only found on high priced models the PHT-1800 portable hardness tester is clearly setting a new industry standard by being the most accurate, economically priced portable hardness tester on the market today. Fast test speeds coupled with memory and output, this unit is a handβs down winner whether you are out in the field or in the QC shop.
- The PHT-1800 portable hardness tester can perform tests that easily convert to the most popular hardness scales, including Rockwell, Brinell, Vickers, Shore, etc.
- Designed to test large hard parts
- Phase II+ Branded
- 5-Year-Warranty, NIST Traceable, Accuracy: +/- 0.5% (referred to L=800)
SaleBestseller No. 9 
Hach 145300 Total Hardness Test Kit, Model 5-B
- Trust the original Hach test kit! Simple drop-count titration measures hardness as CaCO3 (1 gpg = 17.1 mg/L). Utilizes drop count titration with a range of 1-30 gpg. Contains approximately 100 tests. Drop count titration - a simple, economical titration method!
Bestseller No. 10 
The Original Watersafe Water Testing Kit for Drinking Water, Well and Tap Water, Sensitive Lead in Water Test, Bacteria, Hardness, pH, Nitrates, Easy Instructions, Lab-Accurate Results, 1 Kit
- β DETECT A WIDE RANGE OF CONTAMINANTS IN WELL AND TAP WATER: This at home drinking water test kit contains highly sensitive and accurate rapid tests available for lead, bacteria, nitrate, nitrite, pH, hardness, chlorine, and more!
- β EPA LEVEL LEAD DETECTION: Each of our water tester tests detects contaminants down to the EPA Action Level for Lead - and every water hardness test kit is extensively lab-proved as highly accurate and reliable.
- β THE MOST SENSITIVE WATER LEAD TEST KIT AVAILABLE: Our rapid lead test detects lead in water down to 7.8 parts per billion - no other water tester for drinking water, well water, and tap water has such sensitive detection.
- β EASY TO USE, SIMPLE AND QUICK: Our easy to follow instructions for this water quality test kit were written to be as simple as possible - every test can be run quickly in just minutes. Test results for this water testing kit are easy to read, and provide definitive answers.
- β DONT TRUST YOUR WATER: Lead in water contamination happens in USA cities too often. Our test kit for drinking water is trusted by governments, universities, and tens of thousands of families around the country.
SaleBestseller No. 11 
Drinking Water Test Kit - 15-in-1 Chlorine Drinking Water Test Strips with eBook - Lead Testing Kits for Drinking Water - Test Iron, Bromine, pH, Hardness, and More - 100 Tests - JNW Direct
- ULTIMATE TEST KIT: The perfect kit to test drinking water! Our 15-in-1 drinking water test kit detects impurities and potentially harmful substances. Enjoy total peace of mind and stay on top of your water quality with this water testing kit
- TESTS FOR 15 PARAMETERS: Our water testing kits for drinking water test for iron, copper, lead, fluoride, pH, cyanuric acid, total alkalinity, residual chlorine, total chlorine, bromine, ammonium chloride, total hardness, carbonate, nitrate, and nitrite
- QUICK & ACCURATE: Our water hardness test kit takes the guesswork out of your water maintenance. Simply dip the home lead water test into the water source to get your results within seconds and adjust your water levels accordingly
- 100 TEST STRIPS: Get more for your money with our water test kits for drinking water. The water lead test kit contains 100 drinking water hardness test strips and an insightful eBook packed with information about your drinking water levels
- CUSTOMER SUPPORT: Taking a test for drinking water is a great way to help you to easily improve your water supply. Our friendly customer support team is here to ensure you get the most out of your water testing kits for drinking water
SaleBestseller No. 12 
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
- β[ 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.
- β[ 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.
- β[ 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.
- β[ 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.
- β[ 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. Itβs also time-saving due to convenient operation.
SaleBestseller No. 13 
16 in 1 Drinking Water Test Kit |High Sensitivity Test Strips detect pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite | Home Water Purity Test Strips for Aquarium, Pool, Well & Tap Water
- ππ’π π£π₯ππππ‘π¦ππ©π πͺππ§ππ₯ π§ππ¦π§ πππ§ - Test your water for 16 parameters, including pH, hardness, chlorine, lead, iron, copper, nitrate, and nitrite. Ensure lead-free and pH-safe drinking water with our all-inclusive water testing kit. Includes testing tube and dropper for easy sample collection, providing accurate and reliable results for peace of mind.
- π₯πππππππ ππ‘π πππ¦π§ π₯ππ¦π¨ππ§π¦ - 16 in 1 drinking water test kit delivers accurate and reliable results in just 2 minutes. With its user-friendly design, it's effortless easy to use, making it ideal for school projects and any water testing needs.
- π©ππ₯π¦ππ§πππ πͺππ§ππ₯ π§ππ¦π§ππ‘π - Our comprehensive water test kit allows you to test every water source in your home. From drinking water to well water and tap water, pool water and spa water, hot tub water, and aquarium water, our kit covers it all. Ensure the quality and safety of your water with ease and confidence.
- πππ¦π¦ππ-ππ₯ππ π¦ππ£ππ₯ππ§ππ π£πππππππ‘π - Drinking water test kit comes with 100 testing strips, thoughtfully packed in 10 sealable bags. Each bag contains a dry agent to maintain the quality of the strips for longer, at your own pace. The strips in an open package should be used within 90 days. Unopened packages can last up to 2 years. With separate bagging, you have the flexibility to test your water accurately without feeling rushed to finish all 100 strips within 90 days.
- ππ«πππ¨π¦ππ©π πππ’π’π ππ‘πππ¨πππ - Gain a deeper understanding of the water you use with our exclusive ebook. This resource provides valuable insights and knowledge to help you better comprehend the quality and characteristics of your water.
Bestseller No. 14 
17 in 1 Water Test Kit with Tube and Dropper, Drinking Water Test Kit to Detect Hardness, Lead and E.coli, Etc, Accurate Water Testing Kits for Drinking Water for Tap and Well Water Tests - by Qucship
- γ17 in 1γQucship water test kit can detects 17 parameters of water, including pH, hardness, lead, iron, mercury and coliform, etc. We provide high-sensitivity drinking water test kit, so that you can drink with peace of mind and your family will be healthy.
- γWIDE APPLICABILITYγOur home water test kit can can be used for water test drinking, as well as well water tests, swimming pools, aquariums, spas, kitchens, bathrooms and so on. Using Qucship water hardness test to test water quality, EPA compliant, and is a good helper for checking your water softener.
- γQUICK & ACCURATEγQucship water hardness test kit is easy to use, with just 3 steps to get lab-grade accurate results in seconds. In addition to water test strips, we also give you two bottles of E. coli test powder to determine if your water has harmful bacteria.
- γCOMPLETE & AFFORDABLEγOur well water test kits provides you with 100 water test strips in 5 airtight bags to ensure long shelf life and reliable results. A test tube and dropper are included with each well water test kit for home, allowing you to sample conveniently and avoid sample contamination.
- γ100% COMMITMENTγOrder water test kit for well water test with confidence! Your satisfaction is our goal, if you have any questions about the 17-1 well water tests, please feel free to contact us, we provide you with 24-hour satisfactory after-sales service, including free replacement and full refund.
Bestseller No. 15 
Total Water Hardness Test for Pool, Aquarium, and Drinking Water, and Improving Water Softener Efficiency
- Easy, simple to use and reliable water hardness test: AQUAX total water hardness test kit uses just two components: a water hardness indicator solution and a water test container (no microspoon or additional container), making the kit an accurate and easy-to-use test to determine water quality in pools, spas, aquarium, and industries where water hardness is important.
- Accurate results in seconds: Unlike paper test trips that can be difficult to read and match against color charts, AQUAX uses the easy drop-and-see testing method where the color changes in a single drop to reflect the water hardness, thus providing reliable results within few seconds. Easy-to-read instructions are included with each package.
- One kit, multiple water hardness tests: Each container contains 100 drops, enough to perform multiple tests, depending on the level of water hardness.
- Accurate and reliable test method: AQUAX uses the Titrimetric method to determine total water hardness. The available Calcium Bicarbonate in the water could be calculated as well (read the instruction at the back side of box).
- Water quality specialists: Colorkim specializes in water quality testing and treatment products. Each product is we sell is tested by a team of scientists in our own research laboratory to ensure it delivers accurate results. Every purchase is backed by knowledgeable and professional advice, free replacement of damaged products, and full refund in case you are not completely satisfied with your purchase.
Bestseller No. 16 
Water Hardness Test Strips | Fast and Accurate Water Quality Testing Kit for Water Softener, Swimming Pool, Fish Tank, Spa Kit and etc |150 Strips for 150 Hard Water Tests. 0-425 ppm and 0-25 gpg
- KNOW YOUR WATER HARDNESS: About 85% American households have hard water supplies. Test the hardness of your water and get instant result in less a minute using our water test strip
- ACURATE AND FAST RESULTS - CE certified water test kit to give accurate results within seconds, saving you time, and comes with an easy to read color chart, for your convenience
- EASY TO USE: Simply dip the test strip in water and compare with color chart for instant and reliable results, no complex water hardness test
- SHELF LIFE β 150 testing strips packed in one bottle and two separate bags; strips in an open package need to be used within 3 months, so you can test your water quality at regular intervals and don't have to rush using all 150 strips
- MULTIPLE USES β Can be used to test your water softener, drinking, tap and well water, and for any other purposes in which water is used, such as water in your RV, dishwasher and pool
SaleBestseller No. 17 
Water Hardness Test Kit: 125 Strips Hard Water Test Kit, TESPERT Water Hardness Test Strips for Water Softener Dishwasher Well Spa Pool
- GET HEALTH AND CLEAN WATER: Hard water test strips can help you to monitor water hardness levels to prevent corrosion, scale formation, turbid water, or excess foam.
- MULTIPLE PURPOSES: Water hardness tester are ideal for water filtration systems, fish tanks, swimming pools, spas, laundry, cloth diapers, dishwashers, industrial processes, educational experiments, and homeland security applications.
- FAST AND EASY: Dip, wait 15 seconds and get instant results in 30 seconds. Compare with the color chart on the bottle, ideal range marked on bottle.
- LONG-TERM STORAGE: Each test kit contains 125 strips. The quality of the water hardness testing kits can be last for 24 months if they are stored in cool condition and away from light.
- TEST EXPERTS: We have our own professional research center, high efficient manufactory, and online customer services. Choose TESPERT, get your private testing expert.
Bestseller No. 18 
INKBIRD Water TDS Meter 3 in 1 Digital Water Quality Tester (TDS, EC & Temp), Data Lock Function, Instant Reading with High Accuracy, for Drinking Water, Aquariums, Swimming Pool, Hydroponic Setups
- π§π§γHigh AccuracyγThis 3-in-1 quality tester uses a food-grade stainless steel probe and ATC (Automatic Temperature Compensation) to read the temperature instantly to ensure that the water quality tester reads accurately at various temperatures, and does not test pH.
- π§π§γ3 in 1 FunctionγThis professional Water TDS meter can test TDS, EC, and temperature. It can measure the TDS value ranging from 0~4995 ppm and the EC value ranging from 0~9990 ΞΌs/cm.
- π§π§γAuto off & Lock FunctionsγThe TDS tester has a data-hold function, it locks your readings making them easy to record. The TDS tester has a power-saving function, and the digital water quality tester will automatically shut down after 5 minutes of standby.
- π§π§γBacklit DisplayγThe water quality tester uses an advanced LCD backlight display design, making readings easier and clearer. The data can be viewed clearly in the dark. You will prefer its comfortable shell.
- π§π§γMultifunctional useγThis TDS tester helps you find out the quality of the water for drinking, bathing, a cup of salt water, pools, etc. It also helps you gain a clear insight into the nutrient levels in hydroponic setups, garden soil, and so on.
Editorβs Notes
We ranked and reviewed the top 20Β Best water hardness tester in 2023. With the support of 82679Β customerβs reviews, we hope that this article can give you the most realistic view of these products.
