Top 10 Best Water Tester Kit
of November 2024
1
Best Choice
U.S. Pool Supply
U.S. Pool Supply
U.S. Pool Supply Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity and Acid Demand - Maintain Properly Balanced Chemical Levels, Algae Sanitizer Indicator
10
Exceptional
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2
Best Value
U.S. Pool Supply
U.S. Pool Supply
U.S. Pool Supply Standard 3-Way Swimming Pool & Spa Test Kit, Tests Water for pH, Chlorine and Bromine
9.9
Exceptional
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3
U.S. Pool Supply
U.S. Pool Supply
Basic 3-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, and Bromine - OTO and Phenol Red Test Solutions - Maintain The Proper Chemical Balance of Pool Water
9.8
Exceptional
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4
Benicci
Benicci
7-in-1 Accurate Pool Test Strips - 100 Hot Tub Spa Test Strips - Quick Pool Water Testing Kit - Bromine, pH, Hardness, Alkalinity, Chlorine & Cyanuric Acid - Perfect for Any Pools, Spa, Hot tubs
9.7
Exceptional
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5
BOSIKE
BOSIKE
BOSIKE 2 in 1 Water Test Kit Hardness & pH - 150 Strips - Hard Water Tester for Tap Drinking - Softener, Dishwasher, Pool, Spa & Well Testing Kits
9.6
Exceptional
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6
Health Metric
Health Metric
Well Water Test Kit for Drinking Water - Quick and Easy Home Water Testing Kit for Bacteria Nitrate Nitrite pH Manganese & More | Made in The USA in Line with EPA Limits [NO MAILING Required]
9.5
Excellent
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7
Health Metric
Health Metric
Coliform Bacteria Test Kit for Drinking Water - Easy to Use 48-Hour Water Quality Testing Kit for Home Tap & Well Water | EPA Approved Testing Method | Made in The USA | Incl. E Coli | 2-Pack
9.4
Excellent
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8
Health Metric
Health Metric
Drinking Water Test Kit for Home Tap and Well Water - Easy to Use Testing Strips for Lead Bacteria pH Copper Nitrate Chlorine Hardness and More | Made in The USA in Line with EPA Approved Limits
9.3
Excellent
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9
HoneForest
HoneForest
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.
9.2
Excellent
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10
SJ WAVE
SJ WAVE
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
9.1
Excellent
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11
VARIFY
VARIFY
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!
9.0
Excellent
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12
Lxuemlu
Lxuemlu
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 (LX-TDS1)
8.9
Very Good
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13
Hofun
Hofun
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
8.8
Very Good
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14
VARIFY
VARIFY
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)
8.7
Very Good
View on Amazon
15
Watersafe
Watersafe
Watersafe 10-in-1 Drinking Water Test Kit - World's Most Sensitive Lead Test - 10 Contaminants Detected in Tap Water & Well Water - Easy Test Strips for Lead, Pesticides, Bacteria, Hardness, and More.
8.6
Very Good
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16
SaySummer
SaySummer
16 in 1 Water Testing Kit for Drinking Water, 100 Count Water Test Strips for Tap Water, Well Water Test Kit for Testing Lead pH Copper Iron Nitrate Chlorine Hardness and More
8.5
Good
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17
JNW Direct
JNW Direct
JNW Direct Drinking Water Test Strips 15 in 1, Best Water Tester Kit for Fast, Easy & Accurate Water Quality Testing at Home, 100 Count, Free Water Sample Tube, App & Ebook Included
8.4
Good
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U.S. Pool Supply Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity and Acid Demand - Maintain Properly Balanced Chemical Levels, Algae Sanitizer Indicator
Professional premium 5-way water test kit for maintaining proper Chlorine, Bromine, pH, Alkalinity, and Acid Demand chemical levels in swimming pools and spas. The test kit is organized and stored in a durable blue polyethylene case.. Kit includes 6 different types of indicator solutions in 12 ounce dropper bottles. OTO Orthotolidine Chlorine Test Solution, Phenol Red pH Test Solution, Acid Demand and 3 types of Total Alkalinity Solutions.. Includes a clear view water testing block with an accurate measuring scale and integrated color markings for the chemical levels. It also includes a round view testing cup with measurement markings.. Kit comes with a complete detailed user guide that includes step-by-step instructions, easy to read color chart, and a trouble prevention guide.. Easy to use testing kit that makes it easier for you to maintain your pool waters chemical levels, so the water is properly balanced and safe to enjoy and swim in year-round.
U.S. Pool Supply Standard 3-Way Swimming Pool & Spa Test Kit, Tests Water for pH, Chlorine and Bromine
Professional 3-way water test kit for maintaining proper Chlorine, Bromine and pH chemical levels in swimming pools and spas. Kit includes a 12 ounce dropper bottle of OTO Orthotolidine Chlorine Test Solution and a 12 ounce dropper bottle of Phenol Red pH Test Solution. Includes clear view water testing block with accurate measuring scale and integrated color markings for the chemical levels. Comes with a user guide and it all stores in a polyethylene case. Easy to use, just fill each test tube with pool water, add 5 drops of the proper solution into each test tube, put the test tube caps on, shake the testing block then check the Chloride, Bromine and pH readings.
Basic 3-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, and Bromine - OTO and Phenol Red Test Solutions - Maintain The Proper Chemical Balance of Pool Water
Professional 3-way water test kit for maintaining proper Chlorine, Bromine, and pH chemical levels in swimming pools and spas. The test kit is organized in a polyethylene case.. Kit includes a 12 ounce dropper bottle of OTO Orthotolidine Chlorine Test Solution and a 12 ounce dropper bottle of Phenol Red pH Test Solution.. It also includes a clear-view water testing block with an accurate measuring scale and integrated color markings for the chemical levels.. Easy to use, fill each test tube with pool water, add 4 drops of the proper solution into each test tube, put the test tube caps on, shake the testing block, then check the Chloride, Bromine, and pH readings.. An essential testing kit that makes it easier to maintain your pool water's chemical levels, so the water is properly balanced and safe to enjoy and swim in year-round.
7-in-1 Accurate Pool Test Strips - 100 Hot Tub Spa Test Strips - Quick Pool Water Testing Kit - Bromine, pH, Hardness, Alkalinity, Chlorine & Cyanuric Acid - Perfect for Any Pools, Spa, Hot tubs
POOL TEST KIT - All You Need in 1 Strip. These 7-in-1 swimming pool testing kit strips are designed to precisely measure a variety of parameters, including Free and Total Chlorine, Total Hardness, pH, Total Alkalinity, Cyanuric Acid and Free Bromine.. POOL TESTING STRIPS - A Must-Have For Pool Owners. Our pool chemical testing kit strips are highly accurate and reliable, guaranteeing a worry-free experience with your pool, jacuzzi and spa water. Keep your water healthy, clean, and enjoyable all the time.. SPA TEST STRIPS - Easier Water Maintenance - These handy pool water test kit strips are designed to help you easily maintain safe and monitor water conditions in your inground and above ground swimming pools, hot tubs, jacuzzi, or spa.. SPA TEST STRIPS FOR HOT TUB - Highly Accurate Results in Seconds. With our test strips for hot tub water, there's no need to wait. Dip the strip in water for 2 seconds, take it out, and wait for 15 seconds to get accurate results. Monitor the quality of your water any time you want. POOL TEST STRIPS FOR ABOVE GROUND POOL - Perfect Value For Your Money. Forget about buying pH strips that burn a big hole in your wallet. With each purchase, you get 100 water quality pool strips test for regular water testing..
BOSIKE 2 in 1 Water Test Kit Hardness & pH - 150 Strips - Hard Water Tester for Tap Drinking - Softener, Dishwasher, Pool, Spa & Well Testing Kits
Enhance Pool Maintenance Elevate your pool's upkeep with our 2-in-1 water hardness test. Combat limescale buildup for improved plumbing and water pressure, ensuring a revitalizing swim.. Everyday Comfort Take control of water quality. Detect and tackle issues like metallic taste and staining from low pH, or scaly deposits from high pH. Enjoy better-tasting beverages and stain-free fabrics with balanced pH levels.. High-Precision These water hardness test strips are designed specifically for warm water that can easily provide instant and reliable results. Use at least twice per week or as needed to monitor your water quality at regular intervals.. Long-lasting Assurance Packaged in a tightly sealed bottle, our test strips maintain their efficacy over time, ensuring your pool, spa, or hot tub water remains balanced, clean, and clear for extended periods.. Home Spa Confidence Say goodbye to costly trips to the pool store. Save time, money, and stress with BOSIKE test strips, empowering you to confidently maintain a perfectly balanced spa experience at home..
Well Water Test Kit for Drinking Water - Quick and Easy Home Water Testing Kit for Bacteria Nitrate Nitrite pH Manganese & More | Made in The USA in Line with EPA Limits [NO MAILING Required]
ENSURE YOUR WELL WATER SAFETY FOR PEACE OF MIND - Wells can easily become contaminated - putting you and your family at risk of illness, plumbing problems, and other issues. This is why its often recommended to test four or more times per year with our well water testing kit.. MADE IN THE USA IN LINE WITH OFFICIAL EPA STANDARDS - If you use a private well, your water is not regulated under the Safe Drinking Water Act. With this home water test kit though, you can check for the most common contaminants according to federal law EPA limits.. SIMPLE ENOUGH FOR ANYONE TO USE AND READ - The step-by-step directions for our water testing kits for drinking water are clearly laid out, making it easy to get accurate results. Simply compare your results to the included color-coded card to check the levels of each contaminant.. TEST AT HOME IN AS LITTLE AS A FEW MINUTES - No need to pay for expensive and lengthy lab tests, every test in this kit can be completed at home. You can find out the results for almost all of the contaminants in under 5 minutes.. DEDICATED CUSTOMER SERVICE TEAM - You can always count on our team customer service team. We are single-mindedly devoted to helping you with any questions you may have about the test kit or water quality testing in general..
Coliform Bacteria Test Kit for Drinking Water - Easy to Use 48-Hour Water Quality Testing Kit for Home Tap & Well Water | EPA Approved Testing Method | Made in The USA | Incl. E Coli | 2-Pack
GET COMPLETE PEACE OF MIND - Wells can easily become contaminated, putting you and your family at risk of illness. The only way to truly know your water is safe to drink, is of course through regular testing.. GET RESULTS AT HOME IN 48 HOURS - Just follow the simple instructions and youll have the test set up in minutes. You can then find out if your water contains coliform bacteria including E. coli within 48 hours.. EPA-APPROVED QUALITY STANDARDS - If you use a private well, your water is not regulated by the EPA. With this test, though, you can check for bacteria according to official EPA standards, using a testing method they approve of.. NO MAILING OR INSPECTIONS NEEDED - This test kit allows you to test at home, saving you the time, hassle, and money that other testing methods involve. Sending off to a lab to test can even cost upwards of 5 times the price.. ALL YOUR QUESTIONS ANSWERED - You can always count on our customer service team. If you have any questions at all, youre more than welcome to fire away. Were here to help.
Drinking Water Test Kit for Home Tap and Well Water - Easy to Use Testing Strips for Lead Bacteria pH Copper Nitrate Chlorine Hardness and More | Made in The USA in Line with EPA Approved Limits
A SIMPLE, ACCURATE AND LOW-COST WAY to screen your water for the presence of potentially harmful contaminants.. MADE IN THE USA IN LINE WITH OFFICIAL EPA LIMITS - Compare your results with EPA-approved guidelines for drinking water quality. Don't rely on Chinese-made bulk strip kits, these are often merely wastewater tests with unapproved and unsafe Lead, Iron, and Copper readings.. COMPREHENSIVE TESTING FOR PEACE OF MIND - Not only does this test kit detect even the smallest amounts of Lead and Copper, it also tests for Bacteria and other crucial water quality parameters. Having unbalanced levels of Chlorine, Hardness, pH, Alkalinity, Nitrate or Nitrite can indicate serious issues.. NO SCIENCE DEGREE AND NO MAILING REQUIRED - This home water-testing kit is simple enough for anyone to use with zero expertise or equipment. Get your results quickly and easily - whether its from a tap, well, municipal, or spring. Just follow the included step-by-step instructions.. HUNDREDS OF DOLLARS SAVED ON LAB TESTS - Lets be honest, most of us dont test every 6 months like recommended. Testing separately for every element at a laboratory would cost stupid amounts of money. This kit makes it possible to find out whats in your water without breaking the bank..
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 RODI System works properly, whether filter need replaced, maintenance aquarium, hydroponicstest 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..
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
COMPLETE WATER TEST KIT Everything you need to test your water tests for 16 parameters, ensures lead free and pH safe drinking water testing tube and dropper included in every kit for easy sample collection. SEPARATE PACKAGE 100 testing strips packed in 10 sealable bags with dry agent to ensure long shelf life and reliable results. Strips in an open package need to be used within 90 days while in an unopened package can last up to two years. You don't need to rush using all 100 strips within 90 days because we bag our strips separately.. MULTIPLE USES - Test every water source around your home, including drinking, well and tap water, pool spa, hot tub and aquarium. RELIABLE AND FAST RESULTS - CE certified for proven, reliable and quick results in 2 minutes easy to use and great for school projects. ENJOY THE PEACE OF MIND Detects low levels of impurities and foreign substances and keeps your family safe.
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 its 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 247 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.
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 (LX-TDS1)
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.
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, ChromiumCr,Carbonate Root,Cyanuric acid , covers main influencing factors which pollute your swimming pool ,hot tub or drinking water quality.. 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,which will last 6 months if tested 2 times per week.Its also time-saving due to convenient operation..
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.. 247 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.
Watersafe 10-in-1 Drinking Water Test Kit - World's Most Sensitive Lead Test - 10 Contaminants Detected in Tap Water & Well Water - Easy Test Strips for Lead, Pesticides, Bacteria, Hardness, and More.
It's Never Been More Important With stay-at-home orders, you must ensure that your home resources are safe for the whole family to consume. Even with water filters or water purifiers, you should screen your water monthly to be 100 sure of its safety.. Complete, Easy-to-Use Test Kit This test kit contains everything you need to screen your drinking water for harmful contaminants tests for lead, pesticides, bacteria, nitratesnitrites, chlorine, and more Easy instructions great science project. The World's Most Sensitive Lead Test Our Rapid Lead Test has been validated in an EPA-certified laboratory to detect lead in drinking water at miniscule levels - no other water test kit can claim that.. 25-Year Trusted Brand The Watersafe brand has been keeping American families safe for close to 25 years. The product is Made in the USA to EPA standards, and we guarantee satisfaction or your money back. Comforting detects chemicals that are colorless and odorless. Screen Regularly for Peace of Mind The EPA recommends testing your water once per year, but that wouldn't have saved the children in Flint, Michigan. We recommend you check your water with Watersafe Test Kits once per month for peace of mind..
16 in 1 Water Testing Kit for Drinking Water, 100 Count Water Test Strips for Tap Water, Well Water Test Kit for Testing Lead pH Copper Iron Nitrate Chlorine Hardness and More
16-WAY COMPREHENSIVE WATER TESTER These water quality testing strips can test 16 parameters. Youll know level of Total Hardness, Free Chlorine, Iron, Copper, Lead, Nitrate, Nitrite, MPS, Total Chlorine, Fluoride, Cyanuric Acid, Ammonia Chloride, Bromine, Total Alkalinity, Carbonate, pH in just one dip.. WIDE APPLICATION 16 parameters are nearly all you need to know about water. This water quality test kit applies to tap water and well water, also pool, spa, hot tub, and aquarium water, since parameters in those strips are also included in our 16 in 1 water test strips. You can use it to check is your water softener working, too.. RELIABLE RESULTS IN SECONDS Three steps are all you need to do. 1. Immerse one strip into water for 2sec. 2. Take it out and hold for 15sec. Please do not shake the strip with no direction. 3. Compare to the color chart.. ECONOMICAL CHOICE FOR A HEALTHY LIFE 100 strips in each bottle help you save a lot time and money. Well-sealed black bottle can keep test strips in dark and dry place. No more activated strips before you use.. EXCELLENT CUSTOMER SERVICE Providing accurate results to people who pursue a healthy life is our first goal. If there is any doubts during use, please contact us. We always try our best to keep the customers satisfied..
JNW Direct Drinking Water Test Strips 15 in 1, Best Water Tester Kit for Fast, Easy & Accurate Water Quality Testing at Home, 100 Count, Free Water Sample Tube, App & Ebook Included
THE ULTIMATE AT HOME TESTING KIT for your drinking water and well water. Tests for 15 parameters iron, copper, lead, fluoride, pH, cyanuric acid, total alkalinity, residual chlorine, total chlorine, bromine, ammonium chloride, total hardness, carbonate, nitrate nitrite. BONUS FREE MOBILE APP INCLUDED - Record, track and monitor your drinking water test strip results with ultimate accuracy. Available for IOS and Android. EXTREMELY EASY TO USE, Instant reliable results with simple and clear instructions. Simply dip and compare with a large color chart on the bottle. No more mailing samples off to an expensive lab and waiting weeks or even months for results. 100 STRIPS MEANS 100 TESTS - Each strip provides accurate and fast results for any water sources including well and tap water, or any other potable water sources. Great for kids science fair projects and school classroom water testing. NEVER HAVE ANY DOUBTS ABOUT YOUR WATER QUALITY, our test strip kit comes with a great e-book listing the epa standards and we explain how you can easily improve your water supply to have purer drinking water.