20 Best Ec And Ph Meters [2024]

Are you looking for the best ec and ph meters? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling ec and ph meters.

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# Preview Product
1 VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1... VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy...
2 VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1 pH... VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1...
3 APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm)... APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm)...
4 Hanna Combo pH/EC/TDS/C/PPM Tester HI98129 Hanna Combo pH/EC/TDS/C/PPM Tester HI98129
5 Digital PH Meter, PH and TDS Meter Combo, PH TDS EC & Temperature 4-in-1 Water Quality Tester, High... Digital PH Meter, PH and TDS Meter Combo, PH TDS EC & Temperature 4-in-1 Water Quality Tester,...
6 Hanna Instruments HI 9813-6N Waterproof pH/EC/TDS Temperature Meter Clean and Calibration Check for... Hanna Instruments HI 9813-6N Waterproof pH/EC/TDS Temperature Meter Clean and Calibration Check...
7 AEROSPRING 3-in-1 Waterproof Multifunction Digital Meter, Measures Electrical Conductivity (EC), pH... AEROSPRING 3-in-1 Waterproof Multifunction Digital Meter, Measures Electrical Conductivity (EC),...
8 GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
9 LuoLeiNa pH Meter for Water and Tds Meter, 0.01 High Accuracy Lab pH Tester, pH Tester Digital Pen... LuoLeiNa pH Meter for Water and Tds Meter, 0.01 High Accuracy Lab pH Tester, pH Tester Digital...
10 AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof, 5 Functions: pH, TDS, EC, Salinity, Temperature,... AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof, 5 Functions: pH, TDS, EC, Salinity, Temperature,...
11 CIZTADA Smart PH Tester for Water Hydroponics Digital PH EC TDS Meter with ATC High Accuracy... CIZTADA Smart PH Tester for Water Hydroponics Digital PH EC TDS Meter with ATC High Accuracy...
12 pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium,... pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium,...
13 PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
14 Digital PH Meter with ATC: 4 in 1 PH TDS EC Temp - ORAPXI PH Tester High Accuracy Pocket Size PH... Digital PH Meter with ATC: 4 in 1 PH TDS EC Temp - ORAPXI PH Tester High Accuracy Pocket Size PH...
15 GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution... GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01...
16 AERO-GRO Digital 4-in-1 Water Quality Testing Kit - High Accuracy Digital pH/TDS/EC/Temp Pen Set... AERO-GRO Digital 4-in-1 Water Quality Testing Kit - High Accuracy Digital pH/TDS/EC/Temp Pen Set...
17 Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy... Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy...
18 iPower Digital Water pH Tester, 4 in 1 Tester with pH/TDS/EC/Temp Function, ±0.1 High Accuracy,... iPower Digital Water pH Tester, 4 in 1 Tester with pH/TDS/EC/Temp Function, ±0.1 High Accuracy,...
19 3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit... 3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit...
20 5 in 1 pH Tester for Water, Digital PH Tester Pen 0.01 High Accuracy Water Testing Kits with... 5 in 1 pH Tester for Water, Digital PH Tester Pen 0.01 High Accuracy Water Testing Kits with...
SaleBestseller No. 1
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1...
  • Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
  • PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
  • 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water
  • Features: Comes with protective case; Lightweight, handheld design for portability and convenience
  • Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
Bestseller No. 2
VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1 pH...
  • 4-in-1 Mode: With VIVOSUN 4-in-1 PH tester, you can accurately measure PH, TDS, EC and Temp value; Know water quality clearly to ensure your family...
  • High Accuracy: With high sensitive probe, you can quickly read the results; Wide measurement range and high resolution guarantee that you can measure...
  • Automatic Temperature Compensation: With ATC function, VIVOSUN 4-in-1 pH meter solve the inaccurate measuring problem caused by the change of liquid...
  • Easy to Use: After calibration, put the sensor into the solution you want to test, and get the data immediately; Before another testing, wash the...
  • Wide Application: Ideal for household and laboratory testing applications; Buy one for drinking water, beer, kombucha testing; Good for aquariums and...
SaleBestseller No. 3
APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm)...
  • Measures pH/EC/TDS (ppm)/Salinity/Temp. in a quick and professional manner
  • Replaceable multi-parameter probe with easy installation
  • When the smiley face icon stays on screen, it's the right time to record the measurements.
  • LARGE Clear LCD screen with 3 backlit color (indicating 3 different modes), dual display of temp. + pH/EC/TDS/Salinity, and icons of completed...
  • Complete kit with ready-to-use calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a portable carrying...
Bestseller No. 4
Hanna Combo pH/EC/TDS/C/PPM Tester HI98129
  • Automatic calibration at one or two points with two sets of memorized buffer values for ease of use
  • Replaceable electrodes to prolong life of meter
  • Automatic temperature compensation (ATC) eliminates need for extra calculations
  • Waterproof and floats in water
  • Automatic shut-off to extend battery life
SaleBestseller No. 5
Digital PH Meter, PH and TDS Meter Combo, PH TDS EC & Temperature 4-in-1 Water Quality Tester, High...
  • AMAZINGLY ACCURATE: Ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with Tester precision pH...
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ): Digital ppm tester and ph tester both have the function of ATC, the measuring data won’t be influenced...
  • EASY TO USE AND CALIBRATE : You can get the PH testing result of the water that just need to press the button of “ON”, and just need to press the...
  • WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics,...
  • SALES SERVICE AND WARRANTY: We will respond your any questions about the product within 24 hours. And we provide a 12-Month warranty service. Pls...
Bestseller No. 6
Hanna Instruments HI 9813-6N Waterproof pH/EC/TDS Temperature Meter Clean and Calibration Check for...
  • Starter set with portable, water-resistant meter for testing pH, electroconductivity, and total dissolved solids, provided with solutions and sachets
  • Calibration check function to validate instrument performance
  • Automatic temperature compensation (ATC) to eliminate the need for extra calculations
  • Alert system when low battery and potential measurement error
  • On-screen user and calibration guides
Bestseller No. 7
AEROSPRING 3-in-1 Waterproof Multifunction Digital Meter, Measures Electrical Conductivity (EC), pH...
  • 3 in 1: EC and pH are vital measurements in Hydroponic systems. With the AEROSPRING 3-in-1 Multifunction Digital Meter you can accurately measure EC,...
  • Automatic Calibration: Featuring three-point calibration, the meter can automatically identify calibration solutions of pH 4.00, pH 6.86 and pH 9.18....
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-19990μS/cm EC and 0-14 pH, Rsolution 0.01 pH; 1μS/cm; 0.1℃; 0.1°F;...
  • Important Hydroponic Measurements: EC measures the level of nutrients in your system and gives you a measurement of the quantity of available...
  • Multiple Uses: Pocket-sized and multi-functional, the AEROSPRING Multifunction Meter is ideal for daily use. Auto shut off: 5 Minutes. It is...
Bestseller No. 8
GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
  • One combined, pre-amplified pH, EC, and TDS (ppm) probe for hassle-free measurements.
Bestseller No. 9
LuoLeiNa pH Meter for Water and Tds Meter, 0.01 High Accuracy Lab pH Tester, pH Tester Digital Pen...
  • 【Accurate & reliable】PH Pen measure range of pH 0 - 14, reliable and quick readings. 3-in-1 TDS Meter: Measurement Range 0-9990ppm; Accuracy ±...
  • 【Portable Design】: Comes with protective case; Lightweight, handheld design for portability and convenience,The mini PH and TDS meter combo allows...
  • 【Easy to Calibrate pH pen】Press CAL for 5 seconds to enter the calibration mode, then press in turn to select the powders corresponding to 6.86,...
  • 【LCD Digital Display 】Backlight function allows you to see the screen even in the dark
  • 【Widely Application】Good Choice for Household and Laboratory TDS & pH testing and commercial use,including test swimming pools;Hydroponic;Drinking...
Bestseller No. 10
AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof, 5 Functions: pH, TDS, EC, Salinity, Temperature,...
  • [5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and...
  • [Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point...
  • [TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%.
  • [EC Measurement] - Measure Electrical Conductivity of either fresh or salt water.
  • [Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater...
Bestseller No. 11
CIZTADA Smart PH Tester for Water Hydroponics Digital PH EC TDS Meter with ATC High Accuracy...
  • 【Faster and Easier to Use】CIZTADA smart PH tester with wireless connection function makes water quality testing easier and faster than test...
  • 【Wide Application】Water quality tester has an accuracy of 0.01 PH and a test range of PH 0-14.0, EC 0-9999 μS/cm; 10.01-19.99 mS/cm, TDS 0-9990...
  • 【Automatic Calibration】Smart PH meter adopts a three-point calibration method and equipped with standard calibration powder. It can automatically...
  • 【4 in 1 Multi-Functional】4 in 1 multi-functional tester professional measurement PH, TDS, EC and TEMP. Get all data on the app at the same time,...
  • 【One-click Data saving and Sharing】Save all the measurement data with one click, share the data with others, and connect to a printer to print the...
Bestseller No. 12
pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium,...
  • 2-in-1 Meter pH and EC Conductivity water quality tester with measurement range 0.00~14.00pH / 0~19.99mS/cm
  • Application: Ideal for agricultural, horticultural, hydroponics applications and even to other water quality procedure
  • With ATC, compact and easy to use, can be mounted on wall or hung and comes with replaceable pH electrode
  • Comes with Calibration Solutions (4.003pH / 6.864pH / EC 12.88)
  • Size: 88 x 55 x 22 mm / Weight: 135g / 6V DC Power Supply
Bestseller No. 13
PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
  • Super value - 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS.
  • Functions - The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind :...
  • Accurate & reliable - these testers can test quickly and accurately within ±0.01 pH. It only takes a few seconds to show accurate and stable reading...
  • Easy to use - ph tester and TDS meter have sensitive electrode sensor ,simply press "ON". It only takes a few seconds for your result to appear the...
  • Widely application - these meters are designed small and convenient. PH meter and TD&EC meter can test pH balance, ideal for testing drinking water,...
Bestseller No. 14
Digital PH Meter with ATC: 4 in 1 PH TDS EC Temp - ORAPXI PH Tester High Accuracy Pocket Size PH...
  • 4-in-1 PH Tester: With ORAPXI 4-in-1 PH tester, you can accurately measure PH, TDS, EC and Temp value; Know water quality clearly to ensure your...
  • ±0.1 pH Accuracy and 3-Point Calibration: With high sensitivity glass probe, ORAPXI PH meter’s full measurement range of 0-14pH, 0.01 pH...
  • Easy to Use: After calibration, put the electrode into the solution you want to test, and get the data immediately; Before another testing, wash the...
  • Backlit LCD Design: Don't worry about seeing the displayed value when there is insufficient light. ORAPXI PH meter features a green Backlit LCD to...
  • BUY NOW: Pocket size and multi-function make ORAPXI PH Tester ideal for daily using; Buy one for your family members or friends as a gift
Bestseller No. 15
GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution...
  • WIDE USE:It is commonly used for testing the pH balance, quality and hardness of drinking water, household water, pool water, aquarium, Spa,...
  • THE RANGE OF MEASURE: PH resolution is 0.01pH, accuracy is ±0.01pH, measurment range is 0-14 pH. TDS meter ranges from 0~9990ppm, Conductivity ranges...
  • ATC FUNCTION: Equipped with auto temprature compensation function, PH tester can adjust according to water temperatures and give pH readings almost...
  • EASY TO USE: For water quality tester, pressing ''HOLD'' button for maintaining reading, pressing ''SHIFT'' button once for TDS & EC transformations,...
  • AUTO CALIBRATION: For pH tester, just place the instrument in the standard buffer and press the CAL button then it will automatically start...
Bestseller No. 16
AERO-GRO Digital 4-in-1 Water Quality Testing Kit - High Accuracy Digital pH/TDS/EC/Temp Pen Set...
  • [Reliable + Accurate] - High-quality sensors and temperature compensation for accuracy and reliability. Automatic temperature compensation (ATC)...
  • [TDS and EC] - Measure PPM and pH in hydroponics, aquarium, pools, water, wine making, and more. Kit includes buffering powders and video instructions...
  • [pH Meter] - Measure the pH of any liquid from 0.00 -14.00. Meter features Automatic Temperature Compensation (ATC) and can be calibrated with the...
  • [Portable and Easy to Read] - The large, lighted, high-contrast display is easy-to-read in either bright sunlight, or under bright grow lights. The...
  • [Company Support] - Aero-Gro is a USA-based company. We offer additional warranty coverage and full product support via the aero-gro website. We also...
SaleBestseller No. 17
Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy...
  • Monitor 3 parameters in water: Conductivity (TDS) level to ensure plants get a balanced feed, pH up and down, and temperature with lab quality glass...
  • This hydroponics meter has ATC that provides consistent reading regardless of any fluctuations in temperature; pH probe is double junction;...
  • Combine with Bluelab meters and controllers for full indoor garden nutrients monitoring in water and soil; pH probe requires easy two point...
  • Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA batteries, pH probe storage cap, and calibration...
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 5-Year Limited Warranty with...
SaleBestseller No. 18
iPower Digital Water pH Tester, 4 in 1 Tester with pH/TDS/EC/Temp Function, ±0.1 High Accuracy,...
  • 4-in-1 function: The iPower pH water pH tester has 4-in-1 function to measure pH, TDS, EC and Temp values with high accuracy. All-round measurement of...
  • High accuracy: With highly sensitive glass probe, you can quickly read the results. Full measurement range of 0-14 pH, 0.01 pH resolution. Wide...
  • Automatic temperature compensation: 4-in-1 pH meter with ATC function to ensure accuracy over a wide range of temperatures 0 °C-60 °C (32 °F-140...
  • Easy to use: Just immerse the electrode in the target solution, press and hold the MODE/CAL key for 5 to 10 seconds after the reading is stable, and...
  • Wide application: Ideal for household and laboratory pH testing applications, including drinking water, swimming pool, pond, beer brewing, kombucha,...
SaleBestseller No. 19
3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit...
  • THREE- in- ONE : pH Measurement , EC Measurement, Temperature Measurement
  • EASY CALIBRATION: pH and EC with just a mini-screwdriver; Automatic Temperature Compensation (without this, pH reading will differ as the temperature...
  • Convertible temperature readout in degree Centigrade and degree Fahrenheit, quick and easy to get your wanted result
  • WIDE APPLICATIONS : Beverage, fish hatcheries, food processing, aquarium, photography, laboratory, quality control, school & colleges, swimming pools,...
  • COMES WITH : 1 x pH EC Temperature Meter 3 x Calibration Buffer Powder (pH 4.01, pH6.86 and pH9.18) 1 x Calibration Solution (EC 1413) 1 x English...
Bestseller No. 20
5 in 1 pH Tester for Water, Digital PH Tester Pen 0.01 High Accuracy Water Testing Kits with...
  • 5-in-1 pH Meter: GOTMEET PH meter can measure pH, TDS(ppm), EC(Conductivity), Salinity(ppt), and Temperature with high precision at the same time. We...
  • Automatic Calibration: No more need to take care about how to use calibration, as the Ph Meter has been finished calibrate. Also can use Manual...
  • High Accuracy: Accuracy up to ±0.05pH, PH measurement range: 0.01-14.00pH, TDS measurement range: 0-1000ppm. EC measurement range: 0-10000US/cm....
  • Widely Used: Built-in high-sensitivity probe, detachable and easy to install. Use our pH meter water pen to maintain a healthy water environment for...
  • Why GOTMEET?: Buying our 5 in 1 TDS/EC/PH/Salinity/Temp Meter, you could not only receive quality products but also a great shopping experience. We...

Having trouble finding a great ec and ph meters?

This problem is well understood by us because we have gone through the entire ec and ph meters research process ourselves, which is why we have put together a comprehensive list of the best ec and ph meterss available in the market today.

After hours of searching and using all the models on the market, we have found the best ec and ph meters for 2023. See our ranking below!

How Do You Buy The Best Ec And Ph Meters?

Do you get stressed out thinking about shopping for a great ec and ph meters? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching ec and ph meters, which is why we have assembled a comprehensive list of the greatest ec and ph meters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for ec and ph meters that you consider buying. Your questions might include the following:

  • Is it worth buying an ec and ph meters?
  • What benefits are there with buying an ec and ph meters?
  • What factors deserve consideration when shopping for an effective ec and ph meters?
  • Why is it crucial to invest in any ec and ph meters, much less the best one?
  • Which ec and ph meters are good in the current market?
  • Where can you find information like this about ec and ph meters?

We’re convinced that you likely have far more questions than just these regarding ec and ph meters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for ec and ph meters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible ec and ph meters. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an ec and ph meters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available ec and ph meters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of ec and ph meters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an ec and ph meters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your ec and ph meters.
  5. Customer Ratings: Number ratings grade ec and ph meters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their ec and ph meters.
  7. Product Quality: You don’t always get what you pay for with an ec and ph meters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an ec and ph meters is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining ec and ph meters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding ec and ph meters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: How to calibrate and use the pH meter?

A: Turn on your pH meter. Before you begin to calibrate and use your pH meter you will first need to turn it on and allow adequate time for the … Clean your electrode. Take the electrode out of its storage solution and rinse it with distilled water under an empty waste beaker. … Prepare your buffers. …

Q: What is the most accurate pH meter?

A: The Most Accurate pH Test Strips. The key to choosing the best pH test strips is to choose a brand that is ionic strength,especially if you’re testing the pH … Better Alternatives for Testing pH at Home. Did you know you can test your pH all the way down to the hundredth? … Bonus Tips. …

Q: How do you use pH meter?

A: DO make sure that food samples are at a consistent temperature when testing. DO calibrate your pH probe frequently to insure accurate results. DO rinse the pH probe thoroughly with distilled or deionized water before measuring food samples or returning the probe to storage. DO store the pH probe sensing tip in a soaking solution,never in plain water. …

Q: How do you standardize pH meter?

A: How do you standardize a pH meter? How to calibrate a pH meter Examine the pH electrode. First, check the pH electrode for contamination or damage. Flush the pH sensor. Next, flush your sensor with distilled water. Immerse the pH electrode. Calibrate the pH meter. Rinse the pH sensor and repeat. Why is it important ]

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