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Luster Leaf 1601 Rapitest Soil Test Kit

3.9 out of 5 stars 464 customer reviews
| 37 answered questions

Price: $13.67 & FREE Shipping on orders over $49. Details
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  • Luster Leaf Rapitest Soil Test Kit
  • 4 individual color comparators for pH, N,P,K
  • Final assembly done in the USA
  • 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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Father's Day in Patio, Lawn & Garden
$13.67 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Luster Leaf 1601 Rapitest Soil Test Kit
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  • MoonCity 3-in-1 Soil Moisture, Light and pH / acidity Meter Plant Tester,Good for Gardener or planter both indoor and outdoors (No Battery needed)
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  • Luster Leaf 1612 Rapitest pH Soil Tester
Total price: $32.96
Buy the selected items together

Technical Details


Product Description

Size: 1-Pack

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 (40) tests: (10) 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 Information

Size:1-Pack
Product Dimensions 9 x 2 x 9 inches
Item Weight 0.3 ounces
Shipping Weight 0.3 ounces (View shipping rates and policies)
Manufacturer Luster Leaf
ASIN B0000DI845
Item model number 1601
Customer Reviews
3.9 out of 5 stars 464 customer reviews

3.9 out of 5 stars
Best Sellers Rank #264 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#1 in Patio, Lawn & Garden > Gardening > Gardening Tools > Soil Test Kits

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 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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Size: 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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Size: 1-Pack
I've been using these tests consistently and successfully for four years after I had one year of very low production in my vegetable garden. The test showed that first year, after two seasons of not amending my soil and thus suffering some crop failure, was that my soil was depleted of essential nutrients for plant growth and needed to be amended.[...]
DUH on me.

So, I amended the soil based on the test results and the amounts recommended to get my soil's levels back to "Sufficient" and guess what? Great harvests!

I've been testing and amending my soil every spring before planting the year's vegetable garden and have had nothing but great success. Just to give you a gauge, success (to me) means 200+ lbs of tomatoes from four plants.

Which might make you think that I love this product without condition, but that's not necessarily so.

Pros:
The readings are easy enough to get by following the instructions on the package.
Just mix your soil with water in the amounts described, add the water mixture to the test containers with the corresponding capsule [...]

It's inexpensive.
The test kit has 80 tests included, that's 20 per test (pH, N, P, K) and, if you have four vegetable beds going like I do, that's 5 seasons' worth of testing.

The amendments are fairly simple to calculate.
There are calculations included in the package that let you easily figure out the amount of amendments you need to add to bring your soil from its current state to the "Sufficient" state given the size of your growing space. It involves some math, but since I'm fairly Math Challenged and managed to figure it out, I'm confident that any person of reasonable intelligence can do it, too.
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Size: 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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Size: 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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