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  • Luster Leaf 1818 Rapitest Mini 4-in-1 Soil Tester
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Luster Leaf 1818 Rapitest Mini 4-in-1 Soil Tester


List Price: $17.99
Price: $9.17 & FREE Shipping on orders over $35. Details
You Save: $8.82 (49%)
Only 13 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Product specifically designed to be used only in soil
  • Helps provide a healthy growing environment
  • Measures sunlight, soil fertility, soil moisture, and soil pH
  • Three stainless steel probes
  • No batteries required
27 new from $6.50

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Frequently Bought Together

Luster Leaf 1818 Rapitest Mini 4-in-1 Soil Tester + Luster Leaf 1601 Rapitest Soil Test Kit
Price for both: $21.47

Buy the selected items together



Product Details

  • Product Dimensions: 1.8 x 5 x 13.3 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.
  • Origin: Imported (China)
  • ASIN: B000RUI9QK
  • Item model number: 1818
  • Average Customer Review: 2.9 out of 5 stars  See all reviews (65 customer reviews)
  • Amazon Best Sellers Rank: #11,310 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Measure four soil indicators at once with this 4-in-1 meter. Measure sunlight exposure, soil fertility, soil moisture and soil pH with this triple-probed device. Prevent scorching, overwatering, overfertilizing and ensure the soil acidity/alkalinity is ideal for whatever you have planted or are about to plant. Toggle between various gauges for instant readings. No batteries required for operation.


Customer Questions & Answers

Customer Reviews

The light/moisture/fertilizer functions work OK.
Cord
As far as ph, it tests at 6.8 everytime I test it in soil, a soil and water solution, or just water.
Singncarpentr
In fact one of the prongs fell out the first time I tried to use it.
Floyd Jump

Most Helpful Customer Reviews

161 of 163 people found the following review helpful By K Nexsen on September 22, 2008
I've only owned this product a few weeks, but so far, so good. I HAVE noticed that it seems to need to be in SOIL to accurately read (Anecdotally, I have read other reviews for similar products where people complained it wouldn't read for moisture when stuck in water, and so I curiously tried placing this one in a glass of water. It's true. It doesn't always ping to the far end for moisture when you do this, but who cares? It DOES when you place it in heavily saturated soil). I DO recommend pushing the leads deeply in your soil, and to move it around a plant you suspect is not responding well to either its environment or your watering habits. I have noticed, by using this item, that areas around a few of my plants seem to have isolated patches of soil compaction, where they are holding more water. If I'd only done one reading per plant, I would not have gotten a fully accurate reading.

I don't really use the "light" measure, and the fertilizer and pH measure seem to work well. I suspect I will use meter this quite a bit.

***Ammended review***: After having this for some time, I've noticed some issues with it. First, the metal tines are not built for long-term use. In a short period of time, they began to bend every-which-way and now any time I try to insert the device in soil (not even compacted, at that!) they bend in different directions, which makes it quite difficult to get readings!

Also, if you were interested in keeping it inserted in an individual "sick plant" to gauge its progress--or even aid in diagnosis--think again. I've found that, over time, the tines also begin to react to the moisture and minerals in the soil and stop rendering accurate readings. However, I've had other moisture gauges, and as this particular type of gauge goes, this is probably the better one on the market. Hope this helps!
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68 of 68 people found the following review helpful By Ms. M on August 23, 2009
Verified Purchase
I initially purchased this product to test the soil's pH. It does a very good job of giving you a general idea of the soil's pH as long as you follow the instructions.

Per a previous review, you must completely submerge the meter into wet soil. If you try to use it on dry soil, or not fully submerged, it won't give you an accurate pH reading. Plus, let it sit in the soil for a few minutes so it has time to adjust.

The other three functions ~ water, light, and fertilize, seem to work OK. They weren't my major focus for purchasing this product. Plus, the instructions were poor and too generalized. That's why I gave this product four out of five stars.

Once again, this is a good product for general pH soil readings. You can get a good idea if your soil is too acidic or alkaline.

I was able to verify the soil's pH, the reading the product was displaying, because I have soil test stripes to confirm the pH level. I want to stop using test strips because they're expensive, and I can't reuse them. With this product, there's nothing to replace, such as batteries, or repurchase, such as test stripes.
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43 of 43 people found the following review helpful By Amazon Customer on May 29, 2009
We got this gauge to check the pH of our vegetable garden, but have found that it does so much more. It does check for moisture, it works well for pH, it works good for fertilizer too ... light sensor seems to be the weakest link of this product.

I must also agree about the metal probes bending when inserting it into the ground, so I take some of the soil and mix it up in a tall cup with some water until I get a mud like consistency, that keeps the probes from bending. I realize that is not always possible but it works better for us.

Good value if you are looking to check the basics at a basic price.
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25 of 25 people found the following review helpful By Debbie Lee Wesselmann TOP 100 REVIEWERVINE VOICE on May 9, 2010
Verified Purchase
As an avid gardener whose soil pH varies across her property, I really needed a convenient and quick way to test pH to ensure that the soil was properly adjusted. I tried those little vials with the test strips (economical but required a production to test more than one area) and an electronic gauge that required all sorts of solutions (accurate but a pain to use). With the Luster Leaf Rapitest mini soil tester, I finally found my perfect tester -- inexpensive, instant, and incredibly easy to use. All you do is select the type of reading you want (pH, fertility, moisture, and light), and insert the three-prong base into the soil. Right away, the needle sweeps over the gauge. You'll get the most accurate readings when the soil is moist and when you've left it in for at least thirty seconds to make sure the reading has stabilized, although most times a fairly accurate reading takes mere seconds.

The fertility meter works fairly well; I planted some annuals in a pot of new Miracle Gro soil, and the gauge read on the high end of ideal, exactly what I expected. My vegetable garden, which I haven't yet prepared for this season, registered low, having been depleted of nutrients last year and over the winter. The fertility setting is good if you want a quick spot test to see whether you need to fertilize, although it's not plant-specific; different plants thrive on different levels of fertilizer, so you'll need to do your research. The moisture test is good for seeing if you need to water, but I assume that the probe measures only the moisture at the bottom, so, for shallow-rooted plants, take care that you measure at the lowest level of the root system, never below it. Deep-rooted plants might be suffering if just the top few inches of the soil are moist.
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