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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

4.2 out of 5 stars 5,164 ratings
To see product details, add this item to your cart. You can always remove it later.

Purchase options and add-ons

Brand JNW Direct
PH range 0-14
Manufacturer JNW Direct

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Product Description

hardness water strips
soft or hard
hard water
hard
hardness tests
hardness test kit
water hrd soft water

Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Parcel Dimensions ‏ : ‎ 11.4 x 4.7 x 4.4 cm; 31.75 g
  • Date First Available ‏ : ‎ May 4 2018
  • Manufacturer ‏ : ‎ JNW Direct
  • ASIN ‏ : ‎ B07B31M49N
  • Item model number ‏ : ‎ Water Hardness
  • Customer Reviews:
    4.2 out of 5 stars 5,164 ratings

Product information

Technical Details

Manufacturer ‎JNW Direct
Item model number ‎Water Hardness
Parcel Dimensions ‎11.4 x 4.7 x 4.4 cm; 31.75 g
ASIN ‎B07B31M49N

Additional Information

鶹 Rank

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Important information

Directions

Prepare water sample, dip strip, wait for color change, compare to color chart

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Price$16.99$13.99$12.99$12.10-28%$13.55
List: $18.79		$25.99
Delivery
Get it by Saturday, Jul 5
Get it by Saturday, Jul 5
Get it by Saturday, Jul 5
Get it Jul 7 - 10
Get it by Saturday, Jul 5
Get it by Saturday, Jul 5
Customer ratings
4.24.2 out of 5 stars5,164
4.34.3 out of 5 stars5,634
2.92.9 out of 5 stars4
4.04.0 out of 5 stars3
4.34.3 out of 5 stars933
4.14.1 out of 5 stars131
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Customer reviews

4.2 out of 5 stars
5,164 global ratings

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Customers say

Customers like the functionality, ease of use, and hardness measurement of the product. They mention it works well, is easy to use, and detects hard or soft water. However, some customers have reported that the product is not accurate at all.

Select to learn more

FunctionalityEase of useHardness measurementAccuracy
11 customers mention "Functionality"11 positive0 negative

Customers are satisfied with the functionality of the product. They mention it works well, is easy to use, and works quickly to test the effectiveness of their water softener.

"Worked well, just what I needed to test the effectiveness of my water softener." Read more

"Works great." Read more

"great product, thanks" Read more

"Product works well, thank you" Read more

9 customers mention "Ease of use"9 positive0 negative

Customers like the ease of use of the chemical test strips.

"So easy to use but hard for me to see the different shades..." Read more

"Easy to use. Accurate!" Read more

"Easy to use and for now I, trust the accuracy as I installed a water softener system and the before and after readings were quite acceptable...." Read more

"Ease and speed of results. Enough test strips for years." Read more

3 customers mention "Hardness measurement"3 positive0 negative

Customers are satisfied with the hardness measurement of the product. They mention it's a good product for detecting hard or soft water.

"Great product for detecting hard or soft water" Read more

"Extreme hard water reading...." Read more

"good product to test hardness or your water..." Read more

3 customers mention "Accuracy"0 positive3 negative

Customers are dissatisfied with the accuracy of the chemical test strips. They mention they're not accurate at all.

"Not very accurate each test says I have soft water. But I don't. and I am testing water before softener Will try again...." Read more

"These are very inaccurate. I tried 4 different readings and they all gave different results. They don't even match the color and are so faint...." Read more

"horrible not accurate at all..." Read more

Highly inaccurate and poor quality.
1 out of 5 stars
Highly inaccurate and poor quality.
These are very inaccurate. I tried 4 different readings and they all gave different results. They don't even match the color and are so faint. This product is a scam for $25.
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Top reviews from Canada

  • Jon
    5.0 out of 5 stars Easy to use test strips
    Reviewed in Canada on June 17, 2025
    Verified Purchase
    Worked well, just what I needed to test the effectiveness of my water softener.
    Helpful
     Report
  • Michael K Shlimon
    5.0 out of 5 stars
    Reviewed in Canada on June 20, 2025
    Verified Purchase
    Works great.
    Helpful
     Report
  • Ian
    4.0 out of 5 stars Verified Purchaser.
    Reviewed in Canada on February 1, 2025
    Verified Purchase
    As advertised
    Helpful
     Report
  • C N
    5.0 out of 5 stars it works
    Reviewed in Canada on April 2, 2025
    Verified Purchase
    lots of strips
    Helpful
     Report
  • Craig
    1.0 out of 5 stars Dissatisfied
    Reviewed in Canada on June 24, 2025
    Verified Purchase
    The strips remain the same color, no matter how soft or hard my water was
    Helpful
     Report
  • Simon Geller
    5.0 out of 5 stars Does the job
    Reviewed in Canada on April 2, 2025
    Verified Purchase
    Does the job
    Helpful
     Report
  • Rodent
    3.0 out of 5 stars Easy to use
    Reviewed in Canada on January 25, 2025
    Verified Purchase
    So easy to use but hard for me to see the different shades...
    Helpful
     Report
  • Leo van den Boogaard
    5.0 out of 5 stars Thanks
    Reviewed in Canada on March 24, 2025
    Verified Purchase
    great product, thanks
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • Idphotodoc
    4.0 out of 5 stars Short expiration date.
    Reviewed in the United States on March 1, 2025
    Verified Purchase
    I have used these strips for the last 10 years. The results obtained from testing indicate when my water softner is performing well. I noticed recently that there is a very short expiration date after opening the bottle--2year shelf life for an unopened bottle, but only a 3 month shelf once the bottle is opened. Since I usually only check the water hardness every month, that means that the other 97 strips will be wasted. I don't remember if the short experation date was on the previous container, but I remember they seemed to be working after several months when I lost the bottle.
    Report
  • The Harvey’s
    5.0 out of 5 stars They work
    Reviewed in the United States on May 6, 2025
    Verified Purchase
    Easy to use simple instructions. I now seem to also have a life time supply of hard water testers.
    Report
  • David O.
    4.0 out of 5 stars Good for homeowner use
    Reviewed in the United States on January 7, 2025
    Verified Purchase
    Overall, the Water Hardness Test Kit - Quick and Relatively Accurate is an good choice for anyone wanting to easily and quickly assess the hardness of their water. It is simple, affordable, and effective for everyday use, and it offers a great value for those looking to ensure the quality of their household water. Whether you’re dealing with the effects of hard water or just want to stay informed, this kit delivers precise readings in an accessible and easy-to-understand format
    Report
  • Federico G.
    4.0 out of 5 stars Correcto
    Reviewed in the United States on February 23, 2025
    Verified Purchase
    La escala de colores es muy fina, por el precio está bien
    Report
  • Tom Falk
    4.0 out of 5 stars Did not need this.
    Reviewed in the United States on February 28, 2025
    Verified Purchase
    Just Ok.
    Report