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Luster Leaf 1602 Soil Kit, 20 Tests

4.2 4.2 out of 5 stars 8,653 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Soil Test Kits by Luster Leaf

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20 Tests
Soil Test Kit
Kit

Purchase options and add-ons

  • Quick, at home results for Soil pH, Nitrogen, Phosphorous and Potash Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators
  • Contains all components needed for 20 tests. 5 for each of pH, N, P and K
  • Contains all components needed to test all variables in several spots in the yard or garden
  • Simple, detailed instructions included. Great for beginners and experienced gardeners alike.
  • Soil pH preference list for over 450 plants included

Customer ratings by feature

Easy to read
3.6 3.6
Easy to use
3.6 3.6
Accuracy
3.3 3.3
Value for money
3.1 3.1

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$15.99
Get it as soon as Sunday, Mar 31
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$12.98 ($0.13/Test Strip)
Get it as soon as Sunday, Mar 31
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Sold by Garden Tutor and ships from Amazon Fulfillment.
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Luster Leaf 1602 Soil Kit, 20 Tests
Luster Leaf 1602 Soil Kit, 20 Tests
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Luster Leaf 1612 Rapitest pH Soil Tester
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Price$15.99-7% $24.99
Typical:$26.98
$21.98-24% $21.99
List:$28.99
$24.95$9.49
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to use
3.6
3.2
4.6
4.8
4.0
Easy to read
3.6
3.7
4.2
Accuracy
3.3
2.7
3.8
Sold By
Amazon.com
AICASE
Cytentech
Amazon.com
varomorus
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From the manufacturer

About Us

Established in 1957 in Atlanta, GA, Luster Leaf Products, Inc. has grown to be North America’s leader in electronic and chemical soil testers for the home gardener. In an effort to provide products for successful gardening, Luster Leaf continues to grow and change, offering a diverse group of products for indoor and outdoor gardening. Luster Leaf offers seed sowing aids, plant identification labels and ties, soil meters, soil testers and mosses, and continues with a profuse selection of plant supports and garden décor. Whether looking for a solution for drooping dahlias, or just fed-up with poor results in the flower bed, Luster Leaf’s product selection can help.

Product information

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Luster Leaf 1602 Soil Kit, 20 Tests


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Product Description

It's vital to know the existing pH, Nitrogen (N), Phosphorous (P) and Potash (K) levels in garden soil. The Rapitest Soil Test Kit continues to be the standard for home soil testing. The kit includes all components needed to for (20) tests: (5) each for pH, Nitrogen, Phosphorus and Potash. The patented color comparator system allows for easy color comparisons versus a typical printed color chart. Extensive, yet simple, instructions are included along with recommendations for over 400 plants. Test results allow the gardener the amend and fertilize appropriately, ensuring the best possible results.

Customer reviews

4.2 out of 5 stars
4.2 out of 5
8,653 global ratings

Customers say

Customers are happy with value, and ease of use of the product. They mention that it's easy to set up and use. However, some customers have reported issues with the ph reading, saying that their soil was extremely deficient in nitrogen. They also dislike the color, and opinions are mixed on quality, readability, speed, and accuracy.

AI-generated from the text of customer reviews

469 customers mention352 positive117 negative

Customers find the soil tester kit easy to use. They say the instructions are straightforward and the testing process is fairly straightforward. Customers also say the guide is detailed and efficient.

"...It’s a practical, user-friendly tool that delivers reliable results, and it’s definitely a worthwhile investment for anyone serious about gardening." Read more

"...The guide is very detailed and efficient and after readings it twice or thrice the process is very simple and the results are quite clear..." Read more

"Fun kit. Many steps but the instructions are very straightforward. Annoyingly, the kit is one potash (orange) capsule short." Read more

"...All of this requires a bit of critical thinking, and if you don't like this kind of stuff you will be frustrated and unsure...." Read more

144 customers mention111 positive33 negative

Customers find the value of the book to be inexpensive and easy to read. They also say it's a worthwhile investment for anyone serious about gardening.

"...tool that delivers reliable results, and it’s definitely a worthwhile investment for anyone serious about gardening." Read more

"...The tests are fairly straight forward, easy to use, and inexpensive. I took off one star because of a few frustrations I had with the kit...." Read more

"...I'm just going with multi-indicator pH paper. It's cheap and easy to read." Read more

"...At 30 seconds, it's at the opposite extreme. And npk all show as surplus, when checking Bergers potting mix that is supposed to be nutrient free...." Read more

652 customers mention431 positive221 negative

Customers are mixed about the quality of the product. Some mention that the results are basic, but gives them a better idea of what soil type they're working with. They say that it works well for determining what amendments to add to the soil and is useful for follow up after adding nutrients. However, others say that the product has a very limited amount of tests, which is not good if you want to monitor a specific soil. Some customers also say that some test results were ambiguous and inconclusive.

"...this soil testing kit from Amazon, and I’m thoroughly impressed with its performance and ease of use. The kit arrived promptly and was well-packaged...." Read more

"...All in all, if the results are indeed accurate, I think the kit is very good, but what I particularly miss is the option to purchase supplemental..." Read more

"...Uninteresting. Incomprehensible...." Read more

"This item worked great. Really helped me to figure out what my garden soil needed. Prepping my soul now based off the results from this test kit...." Read more

179 customers mention79 positive100 negative

Customers are mixed about the accuracy of the product. Some mention that it was very accurate and gave them great insight as to why their yard. However, others say that the concentrations and results are questionable, difficult to discern, and require a bit of interpretation.

"The results are questionable. Support so far is non existent. Ph readings at 15 seconds is at one extreme...." Read more

"...and potassium were simple to perform and provided quick, accurate results...." Read more

"...The results you get will not be numerical...." Read more

"...it twice or thrice the process is very simple and the results are quite clear..." Read more

65 customers mention30 positive35 negative

Customers are mixed about the readability of the product. Some mention it's easy to use, read the indicators, and get a good reading, while others say that it'd be difficult to read the results with red clay and some black garden soil. They also mention that the shading is a little difficult to see, and the instructions are simple to understand.

"...while developing in the allotted time, are not very strong and difficult to read...." Read more

"...Repeatable results and easy to read data.The price drops a bit more on the bigger packs...." Read more

"...a test with food color and the green is indeed high ph, and orange read as extremely low...." Read more

"...reaction has taken place inside the test chamber, it is fairly easy to read. In my case, my suspicions regarding poor nitrogen were confirmed...." Read more

59 customers mention34 positive25 negative

Customers are mixed about the speed of the product. Some mention that they like the quickness of the results and the color coordinated usage, while others say that the Rapid part of Rapidtest is misleading. They mention that the tests are not very rapid or convenient to do, and that it takes a while to prepare each sample.

"...pH, nitrogen, phosphorus, and potassium were simple to perform and provided quick, accurate results...." Read more

"...It is not an instant process as you are required to stir your soil sample with water and allow it to settle before mixing a test capsule with the..." Read more

"...The tests can be done quickly, but it takes about a day to get the soil ready for the test...." Read more

"...The main complaint seem to be to difficulty in extracting the testing powder from the capsules...." Read more

89 customers mention20 positive69 negative

Customers find the color of the product to be difficult to determine. They mention that the color shades are very similar to each other, making it hard to interpret the results. Some customers also mention that it didn't change the water color at all.

"...My pH color did not match exactly any of the 5 shades. I guess it was close to 6.5 but I definitely am not 100% certain...." Read more

"...Anything. What I got instead was a test mixture clearer and with less color than not only the lowest reading the tester allowed for but also less..." Read more

"...We had very minimal if any color change and so it made the exercise actually worthless...." Read more

"This kit uses color-coding to be sure you put the right things in the right place. The instructions are clear...." Read more

89 customers mention25 positive64 negative

Customers are dissatisfied with the ph reading. They mention that the soil is extremely deficient in nitrogen, phosphorous, and potassium. They also say the test ran low and the contents of the nitrogen testing capsules degraded.

"...of Nitrogen (which turned out to be correct), but Deficient in Potassium and Phosphorus...." Read more

"...some of the nitrogen capsules had no effect... even when i added nitrogen to the sample. clearly there are problems here...." Read more

"...The tests for pH, nitrogen, phosphorus, and potassium were simple to perform and provided quick, accurate results...." Read more

"...A flaw we found was that the pH test doesn't go high enough. We found out that our sample was alkaline, but the scale only goes to 7.5...." Read more

Worked perfectly for testing different soils.
5 Stars
Worked perfectly for testing different soils.
We were able to test multiple spots on our land and it was so easy to use. Highly recommended.
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Top reviews from the United States

Reviewed in the United States on January 22, 2024
Size: 20 TestsStyle: Soil Test KitPattern Name: KitVerified Purchase
8 people found this helpful
Report
Reviewed in the United States on March 6, 2024
Size: 40 TestsStyle: Soil Test Kit for pH, N, P and KPattern Name: KitVerified Purchase
Reviewed in the United States on March 17, 2024
Size: 20 TestsStyle: Soil Test KitPattern Name: KitVerified Purchase
Reviewed in the United States on March 6, 2024
Size: 25 TestsStyle: Digital Soil Test KitPattern Name: KitVerified Purchase
Customer image
3.0 out of 5 stars Missing capsule
Reviewed in the United States on March 6, 2024
Fun kit. Many steps but the instructions are very straightforward. Annoyingly, the kit is one potash (orange) capsule short.
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Reviewed in the United States on May 18, 2019
Size: 40 TestsStyle: Soil Test Kit for pH, N, P and KPattern Name: KitVerified Purchase
5 people found this helpful
Report
Reviewed in the United States on February 20, 2024
Size: 20 TestsStyle: Soil Test KitPattern Name: KitVerified Purchase
Customer image
5.0 out of 5 stars Worked perfectly for testing different soils.
Reviewed in the United States on February 20, 2024
We were able to test multiple spots on our land and it was so easy to use. Highly recommended.
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Top reviews from other countries

Translate all reviews to English
globalhot
5.0 out of 5 stars Test de sol de Jardin
Reviewed in Canada on November 9, 2023
Size: 25 TestsStyle: Digital Soil Test KitPattern Name: KitVerified Purchase
Brian K
5.0 out of 5 stars Easy to use with good instructions
Reviewed in Canada on May 8, 2023
Size: 20 TestsStyle: Soil Test KitPattern Name: KitVerified Purchase
One person found this helpful
Report
hg
4.0 out of 5 stars Sehr einfacher test
Reviewed in Germany on February 24, 2024
Size: 20 TestsStyle: Soil Test KitPattern Name: KitVerified Purchase
Fantasyreader
5.0 out of 5 stars Useful guide
Reviewed in the United Kingdom on June 7, 2023
Size: 40 TestsStyle: Soil Test Kit for pH, N, P and KPattern Name: KitVerified Purchase
ROHITGANGADEB
5.0 out of 5 stars Rapitest Soil testing
Reviewed in India on August 15, 2021
Size: 40 TestsStyle: Soil Test Kit for pH, N, P and KPattern Name: KitVerified Purchase
One person found this helpful
Report