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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: $14.34 & FREE Shipping on orders over $35. Details
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  • 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 + Luster Leaf 1820 Rapitest Soil Moisture Meter + Luster Leaf 1840 Rapitest Soil pH Meter
Price for all three: $43.04

Buy the selected items together

Special Offers and Product Promotions

  • Buy Used and Save: Buy a Used "Luster Leaf 1601 Rapitest Soil Test Kit” from Amazon Warehouse Deals and save 19% off the $16.99 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.
  • Get a $150 Amazon.com Gift Card: Get the Citi ThankYou® Preferred Card and earn a $150.00 digital Amazon.com Gift Card* after $1,000 in card purchases within 3 months of account opening. Learn more.

Product Details

  • Product Dimensions: 1.3 x 9.1 x 8.5 inches
  • Shipping Weight: 1.6 ounces (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: 3.7 out of 5 stars  See all reviews (202 customer reviews)
  • Amazon Best Sellers Rank: #2,105 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Accurate test results within the hour.

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

223 of 228 people found the following review helpful By Raymond J. Van Eperen on March 1, 2008
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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123 of 126 people found the following review helpful By M. Zaleski on July 5, 2008
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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65 of 67 people found the following review helpful By Rock Diesel on September 19, 2012
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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174 of 190 people found the following review helpful By R. Brinkerhoff on August 31, 2009
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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82 of 88 people found the following review helpful By Charles L. Packer on August 30, 2009
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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