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  • Luster Leaf 1601 Rapitest Soil Test Kit
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Luster Leaf 1601 Rapitest Soil Test Kit

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List Price: $16.99
Price: $12.30 & FREE Shipping on orders over $35. Details
You Save: $4.69 (28%)
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1-Pack
  • Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators
  • Contains tests for ph, nitrogen, phosphorus, and potassium levels; 40 tests in total
  • Also has a chart of pH and NPK levels for more than 100 plants
  • Simple, fast, and accurate results; no experience required to perform tests
  • Includes complete instructions for adjusting soil conditions
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Frequently Bought Together

Luster Leaf 1601 Rapitest Soil Test Kit + 3-in-1 Moisture Meter with Light & PH Test Function + Luster Leaf 1612 Rapitest pH Soil Tester
Price for all three: $22.79

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Special Offers and Product Promotions

Size: 1-Pack
  • Buy Used and Save: Buy a Used "Luster Leaf 1601 Rapitest Soil Test Kit" and save 55% off the $16.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
  • Get a $75 Amazon.com Gift Card: Get the Discover it Card and get a $75.00 Amazon.com Gift Card after your first purchase. Learn more.

Product Details

Size: 1-Pack
  • Product Dimensions: 1.3 x 9.1 x 8.5 inches
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0000DI845
  • Item model number: 1601
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (178 customer reviews)
  • Amazon Best Sellers Rank: #402 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Size: 1-Pack

Accurate test results within the hour.


Customer Questions & Answers

Customer Reviews

Nitrogen, Phosphorus, and Potassium tests were not as clear.
L. Patterson
Adding the nitrogen capsule test powder did not change the water color at all.
BUYER
The directions were easy to follow and the kit worked very well.
di Koehler

Most Helpful Customer Reviews

218 of 223 people found the following review helpful By Raymond J. Van Eperen on March 1, 2008
Size Name: 1-Pack
I just purchased this kit recently and tested my soil. I had tried an electronic one (a different brand) and I was not able to get a good reading - waste of $20. This kit worked great. It was simple to use and seems to be very accurate. I would have given it 5 stars except for the one comment the previous reviewer mentioned. You have to be very careful about empying the capsules into the tester. It's not the easiest thing to do, but not really that big a deal. I didn't really have a problem reading the results as long as you get it in the right light. For the price, a very goed product that I highly recommend.
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117 of 119 people found the following review helpful By M. Zaleski on July 5, 2008
Size Name: 1-Pack Verified Purchase
The instructions are somewhat involved for this tester. However, it is far cheaper than sending 10 samples to a lab for processing. You do need to allow up to 24 hours for your samples to settle after mixing with water; "Rapid" is in comparison to sending the samples to a lab. The actual tests of the water samples is completed in 10 minutes. My only, rather minor, complaint is that the blue dye (Phosphorus test) tended to adhere to the plastic test capsule, requiring a bit of cleaning with toweling between each test.
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169 of 185 people found the following review helpful By R. Brinkerhoff on August 31, 2009
Size Name: 1-Pack
This test showed that our soil was slightly acidic, but completely deficient in all three nutrients more than once. After amending appropriately and still having issues, I decided to send in soil samples to a soils lab. Their findings were much different than this test showed. Nitrogen was ok. The potassium levels were at an excessive level (nearing toxicity to plants) and the phosphorus levels were very high. The pH was also alkaline, not acidic. After getting the lab results I tried running this test kit again only to find I was getting the same wrong results that it had always given me. I recommend having a professional lab do your testing if you have any problems in your garden at least once a year. It will let you know exactly what's going on and give you correct information and recommendations on how to mitigate the problems.
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51 of 53 people found the following review helpful By Rock Diesel on September 19, 2012
Size Name: 1-Pack Verified Purchase
I see other reviews on here talking about "send your soil in to a lab" or other alternatives to this product. Fact is, if you were willing to spend the money to send your soil to a lab, you probably wouldn't be buying this. Probably like you, I bought this because it's cheap and it'll give you a basic idea of what's going on in your garden. Here's how it works:

You get 4 vials, one for soil pH, and one each for Nitrogen (N), Phosphorus (P) and Potassium (K). Essentially, you place the directed amount of soil/water mixture into each vial, and add the contents of the corresponding color-coded capsule. The capsules look like pills, the type you can pull apart and the contents spill out. After you empty the capsule into the vial, you place the rubber cap on the vial, shake and let it sit for the specified amount of time. All the quantities and times are clearly listed in the manual. Each vial has a color chart that is near your soil sample window which allows you to compare the color to the chart. This is how you know where your soil stands as far as pH, N, P and K.

I've seen some reviews on here saying it's "impossible" to empty the capsules into the vials because they're too small. True, they're small but if you twist them and carefully pull them apart over the vial it's really pretty easy. If you're elderly or have trouble holding your hands still (or you're just spastic), it might be a task for you but it's still doable. It's really not very difficult.

I've tested my soil maybe 10 times using this product, and it's never let me down. It doesn't give you an exact number or anything, but any time I've shown low on something, I amended the soil and a few days later it tested fine and the plants looked healthier.
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46 of 48 people found the following review helpful By Michael McDowell on June 2, 2010
Size Name: 1-Pack Verified Purchase
I purchased this kit to get a better understanding of why some of my shrubs were not blooming on schedule or at all and after doing some research I had a feeling that their N, P, K, and pH were out of balance.

This kit came highly recommended at Amazon, so I went ahead and purchased it.

Suspicions confirmed! I need more N and P.

This kit is well-designed and easy to use. The pre-measured capsules are brilliant, making sure that you only put in exactly the right amount of reagent each time. My son and I spent an afternoon following the simple directions and pulled 3 different soil samples for testing. The instructions were clear, and the color windows made it easy to see exactly where the samples stood.

The only reasons I did not rate this a 5 star product were (1) The capsules can be a little tough for big fingers. You need to pull the capsules open to pour the contents in a little tube (2) The mixing chamber is also a small target to shoot for, making it hard to get all of the capsule powder into the sample (3) The testers themselves are easily knocked over - they are shaped like oversized dominos, and have a similar propensity to fall over.

But all that notwithstanding, for the price, the ease of use, and the quick results, I still recommend this product for the job.
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71 of 77 people found the following review helpful By Charles L. Packer on August 30, 2009
Size Name: 1-Pack Verified Purchase
I just finished my initial test using this kit. I recommend it. I read the reviews prior to making my decision to purchase it. I suspect that I am better than most in filtering the subjective from reviews. Despite what many reviewers found less than acceptable with this product, there were many reviews that seem to indicate that this testing product performed well and accurately--especially as compared to easy to use, multi-function meters. The main complaint seem to be to difficulty in extracting the testing powder from the capsules. While I suspected that this was more a matter of people being accustomed to easy to use products--probably the reason for the dominance of said multimeter, probe testers, nevertheless, I was a bit anxious when I arrived at this point. It proved to be easy--just hold the capsule upright, the overlaying end on top, gently loosen the halves by slightly twisting back-and-forth, then remove the top portion of the capsule and dump the contents into the testing chamber. One recommendation: while the instructions say to use distilled or bottled water, I suggest using only distilled water. Bottled water varies greatly. You don't want to be testing the properties of the water--that is, you want to "control" your test. One last point (plus one editorial comment) is that you want to allow a few minutes for the tests to stabilize; and regardless of the lack of "refills"--or the price of said, you probably should ask yourself if the price is still warranted. I suspect the answer will be, yes. Oh, and my wife thinks the colors are pretty--there's your subjective comment.
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