Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients.
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Sunday, Nov 16
Style: Soil Test Kit
Size: 20 Tests
Features
- 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
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.
Product Dimensions: 1.3 x 10.2 x 4.3 inches
Item Weight: 4.2 ounces
Manufacturer: Luster Leaf
Item model number: 1602
Is Discontinued By Manufacturer: No
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Nov 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Style: -
Size: 40 Tests
Arrived in great shape. The instructions are clear and it's easy to use. Matching the test results to the color scale charts was easy to see and understand. I had no problems with my test. I primarily used the kit to check the PH levels in a large bed, about 20x15 feet, and found slightly different results in different parts of the bed, which was good to know. Next time I want to check soil in an area I'm working in, I will buy this test kit. I recommend it as a good, quick, and easy-to-use kit. It doesn't replace or equal a State/University Agriculture department test for large projects, but it's great for getting a good reading of the soil condition for new plantings.
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Reviewed in the United States on October 29, 2025 by JAG
Style: Soil Test Kit
Size: 20 Tests
This is my first time using a product like this. I have a small garden and it wasn't producing as much as it did in the past so I thought I would see if the soil needed additives, also called amendments. This test was somewhat easy after I got the hang of it, you have to really read the instructions as one test is slightly different than the other tests. The 20 tests turns out to be really just 5, you use all 4 testing units, which requires one of each of the capsules mixed with water and soil. I don't know why you would just test for 1 of the 4 components, common sense says you test for all 4 each time you test. All in all an easy test once you get the hang of it. I found that getting the small capsules open was a problem until I took a small sharp knife, (I used an X-Acto) to just cut the outer shell so it would open easier and I opened it over a piece of paper in case I spilled any. As with any test that uses color as the basis of degrees of component, you have to interpret the colors on the plastic tester. I would up holding mine up to a window that had good north light so it wasn't too bright and did my best to interpret the results. This was far cheaper than buying a professional test and sending it away, but I don't know if the results were better or worse. Time will tell as I amended my soils and planted some herbs. You need to know what you're going to plant in an area to make this work as different types of plants require different types of soils. I deducted 1 star for 2 reasons, first it seemed like there would be 20 different tests when instead it is a 4 part test you run so there are really only 5. And the instructions are not the easiest to follow in the beginning. Whether this is better than a professional test I don't know.
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Reviewed in the United States on December 1, 2024 by JB
Style: -
Size: 40 Tests
Works exactly as advertised and I recommend for residential soil test. It is quick and accurate. Also recommend watching the video for detailed instruction.
Reviewed in the United States on October 14, 2025 by deafdumbnblindkid
Style: Soil Test Kit
Size: 20 Tests
I like that this kit did provide the needed information I needed about the soil for my sweet potato patch. The test procedure was simple enough and the results easy to determine. The reason I am not giving it 5 stars is because I haven't found out how to purchase refills for the essential capsules needed for each test. Furthermore, I find the product description a little misleading (perhaps unintentionally) because it states it's enough for 20 tests. They DON'T mean you can test for Nitrogen, or the PH, 20 times. No, what they provide is 5 capsules for each type of test. So you can only test for one element 5 times. That wouldn't bother me if Amazon listed refills next to the same product. I couldn't find refills at all on Amazon, or on the manufacturers website. Does that mean you have to buy the entire kit after only 5 tests forany one element? That would be a huge wasteof plastic for the environment. If you have more than one garden bed, 5 tests wouldn't last long, especially if you want to retest after soil corrections. I will update this review if I can find refills. I have emailed the company directly. Another reason I substacted a star is because the tiny gel capsules are hard to open and pour/aim the contents into a tiny 1/2" opening. The test would be invalid if you missed and some of the contents spilled outside the reservoir. A shame when you only would ha4 more capsules to use!
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Reviewed in the United States on July 30, 2025 by Little Frog
Style: -
Size: 40 Tests
It really works but it takes long to do all the testing, but it's worth it cuz you know exactly what's in your soil! And it tells you how to correct the levels. Very useful tool for experts or beginners like me. I'm already seeing the results in my garden vegetables and even my flowers! This test kit is a must have for gardening.
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Reviewed in the United States on August 25, 2025 by Tony C
Style: Soil Test Kit
Size: 20 Tests
This is an economical way to test your soil. Perfect for my small vegetable gardens. I like that it has 5 tests for each feature: PH, N, P, and K. The PH test vial is a bit different than the other three, so you have to follow directions carefully to get accurate results. The kit includes recommended PH and nutrient levels for different plants. That was very helpful.
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Reviewed in the United States on August 23, 2025 by Mark W.