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Luster Leaf 1605 Rapitest Digital Soil testing Kit

Based on 1,442 reviews
Condition: New
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$21.95
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Availability: In Stock.
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Arrives Thursday, Nov 5
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At a glance

Condition
New
Style
Digital Soil Test Kit
Size
25 Tests
Weight
0.21 kg
Item Type Name
Digital Soil Test Kit for pH, N, P and K
In the box
Digital Soil Kit

Features 1

  • Power Source Type: Battery Powered

Description

Electronic version of Luster Leaf popular 1601 soil test kit. The rapitest digital soil tester utilizes advanced LED digital technology & Patent-pending optical calibration system to read test colors. The system is calibrated to read small color variations that can be difficult to distinguish with the human eye. The tester is easy to use. Just follow the easy instructions for each soil pH, nitrogen, phosphorus or potash tests; slide the test tube in optical chamber & push the appropriate button to get the test results. Once you have your soil test results, The tester booklet tells you how to adjust soil pH & provides recommendations for fertilizers. The booklet’s pH preference list allows you to select plants for your soils pH or know how much to adjust the soil pH for your current plants.

Specs 13

Brand Luster Leaf
Style Digital Soil Test Kit
Item Weight 0.21 kg
Global Trade Identification Number 58
Brand Name Luster Leaf
UPC 035307016058
Number of Packs 1
Unit Count 1 Count

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If you place your order now, the estimated arrival date for this product is: Thursday, Nov 5

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Top Amazon Reviews


Pretty Darned Acvurate
Style: Digital Soil Test Kit Size: 25 Tests
So far, I've only used the pH test, but I'm very happy with the results. I never worried about pH levels until this past year, when my garden really didn't produce. Doing some research online, I found that pH levels play a critical role in a plant's ability to absorb nutrients. Shortly after that, just by chance, I ran across an old Ferry-Morse pH and Fertility meter at a garage sale. For a buck, what the heck. I tried it, but it stayed pretty much between 7.0 - 7.5. Was my soil that bad, or was this thing not working? I mixed some vinegar into the soil, and it did show movement to the acidic range, but I still wondered, was it working? Moving ahead 3 months, I ran across a TestWest pH meter on Amazon. It looked pretty cool, it seemed a lot easier to use (just poke it into the soil), and it could be used on indoor plants, which isn't specifically addressed with the Ferry-Morse. Once again, for under $15, what the heck. And also, to test everything further, I purchased this Luster Leaf Rapitest Digital Soil Test Kit . Like one of the other reviewers, I had used Luster Leaf's other soil test kit, but found it difficult to analyze the murky colors against the color charts, so I decided to go with this digital kit. Besides, it sounded pretty easy. Mix it up. Put the test tube into the meter, press a button to let the meter read the color and give you the results. What fun. For the test, I used the soil from one of my indoor plants, a 4-1/2 foot hibiscus. I followed Ferry-Morse's instructions, dug some soil out from about 3" down, watered it, let it set and then tested it. The Ferry-Morse read 5.8. The TestWest read 5.9. Pretty darn close. To validate the results, I used the same soil sample with the Luster Leaf Rapitest's pH test. Note: for the Luster Leaf's soil test, I followed Rapitest's instructions and set a bit of soil aside before watering it (they want to start with dry soil). After mixing the soil with the reagent and water, letting it set, placing it into the test chamber and pushing the TEST button, it lit up the 5.5 indicator--which means that the soil pH is between 5.5 and 5.9. I couldn't ask for a better validation (other than spending another $50+ and sending a soil sample to a full-fledged lab). All three tests instruments read within the same pH range. I already amended my garden soil this Fall (before I purchased this soil test kit) with a high sulfur fertilizer and an organic soil acidifier. I'll be testing my garden soil in the Spring with all four tests in this kit. I trust the results implicitly. ... show more
Reviewed in the United States on November 5, 2018 by Old Guy JJ

Easy to understanx
Style: Digital Soil Test Kit Size: 25 Tests
Directions were clear and easy to follow. Gave a us a good direction to go with starting our garden and what we need to make our soil healthier.
Reviewed in the United States on May 28, 2026 by Shyann Campbell

Just flip a coin.
Style: Digital Soil Test Kit Size: 25 Tests
It's hard for me to trust the results since the phosphorus reading gave me four different results after I ran the test twice.
Reviewed in the United States on September 21, 2026 by Netgear Helpless

Luster Leaf 1605 Rapitest Digital Soil testing Kit- does the job
Style: Digital Soil Test Kit Size: 25 Tests
Although this soil testing kit isn't instant, or even quick, or even easy, it's probably much more accurate than the test strips or any probe meter. I say probably because I don't really know but want it to be true. I used this kit to test soil from various parts of my yard before spring fertilizing. I've had real problem with pH in the past, but didn't really have a good handle on the other parameters. I followed the excellent directions, including allowing time for the soil sample suspensions to settle, and using distilled water, and indeed found variations in my yard that corresponded to problem areas. Hopefully, I was able to correct them using the included directions. My point is, this test kit gave me useful data - I think. I really like the light absorption method of measurement, which is much more of a professional lab technique than most testing kits. My only issue is that the base kit only gives you limited testing capacity (a relatively limited number of reagent capsules) so you can use up everything and need more in one testing spree, especially if you do yard and planting beds. Luster Leaf sells replacement capsules, but they aren't inexpensive and you really need to search to find them. You'd think the company would (a) give you more, (b) make it easier to get more. It's kind of like buying a printer where replacement toner cartridges exceed the printer price!!! ... show more
Reviewed in the United States on May 14, 2026 by Kid Doc

Still need testing capsules
Style: Digital Soil Test Kit Size: 25 Tests
I was under the impression from lack of research on my own part- however this kit only helps determine the color change it does not read levels from the soil alone. You still need capsules to add to soil testing and then put them into the machine to read the color- which really you can do with the naked eye. It did help me diagnose my soil as nitrogen only depletion and now my garden is thriving since I was able to fertilize with a nitrogen only formulation to correct the imbalance. Great if you are novice or trying to figure out what is up with your soil- but the cheaper kits without the machine will also do the job just fine. ... show more
Reviewed in the United States on June 27, 2021 by N_W_TX

I don't trust the results- updated to one star
Style: Digital Soil Test Kit Size: 25 Tests
I downgraded this from three stars to one star after further testing. I followed the directions perfectly and carefully, and I let the water sit for 24 hours to be extra careful. Each one of the results was on the most extreme side of the perspectrum. It said that my soil was a 7.5, which means lacking acid. It also said that it was in surplus of nitrogen phosphate and potassium. Forgive me if I have my doubts, but I just ordered this soil delivery and I want to understand it's nutrient content so that I can fertilize it properly. The results tell me I don't even need to touch it other than mixing in something to add acidity. I will be testing the soil on my property to see if the results come out differently, and I will also be testing homemade compost. The nail in the coffin was when I researched how to validate the device. I used lemon juice and poured it into the same soil solution, and follow the directions and then tested it again. The pH didn't change, and it still read 7.5... which would tell me that there's no acid. That's obviously false in this test kit is complete garbage. Don't waste your time and money. ... show more
Reviewed in the United States on May 14, 2024 by Verified reviews

Ph levels
Style: Digital Soil Test Kit Size: 25 Tests
The digital tester's max reading for pH is 7.5. How do I know if it's higher than that? The instructions don't say what the digital reader will read if it's higher than 7.5 or lower than 4.5. It is easy to use and seems to be accurate only for a max above 7.5 or a min below 4.5.
Reviewed in the United States on August 15, 2024 by Candace O'Neal - Holcomb

Marketing gimmick. Sticks to original not worth the extra
Style: Digital Soil Test Kit Size: 25 Tests
Although this is a multi-use kit, you are limited to only four tests and must follow the same process as the original. You still need to purchase separate capsules. The only digital component is a device that reads the color chart for you; this is only useful if you struggle to distinguish colors, making it redundant for most people. I find this marketing gimmick quite dishonest ... show more
Reviewed in the United States on June 30, 2026 by Dan Mitrov
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