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The best soil test to improve your garden and lawn.

Soil testing kits are a simple way to figure out the levels of different nutrients in your soil that will tell you what amendments are needed to make it more productive. There are many different types and styles of these kits, with some specific for use in lawn care businesses or home gardeners; others can be generic.

In this blog post, we'll cover the pros and cons of each Kit and some helpful tips for using them correctly. We aim to help you decide which Kit will work best for your garden and lawns.

Overview of the best soil test kit

Best Overall

Luster Leaf Digital Kit

  • Tests: N-P-K and pH
  • Total Tests: 25 tests: 10 for pH and 5 each for N, P & K
  • Digital Soil Test Kit
  • Uses advanced LED digital technology

Best Value

Atree Soil pH Meter

  • Tests: Moisture, Light intensity and pH
  • Total Tests: 3-in-1 function
  • No Battery Needed
  • Easy to Use - Insert Probes Into The Soil About 4-6 inches (2/3 of the probes to get the results)


Soil Savvy - Soil Test Kit

  • Tests: Profession Soil Test Kit
  • Total Tests: 14 nutrients including N,P, K
  • Soil Samples Mailed to Lab
  • Results Available In 7-10 Days Via Email

Soil Testing Kit Reviews: Our Top Picks of The Best Soil Test Kits For Home Use

Here's a look at some available tests and how to use them effectively.

Get started on choosing the perfect soil test kit - here's our list of the best soil tests for home use:

1. Luster Leaf 1605 Digital Soil Test Kit (Best Overall)

Luster Leaf 1605 Digital Soil Test Kit for pH, N, P and K, 25


  • Reads test colors utilizing advanced LED digital technology
  • It gives results in a few seconds
  • Includes pH preferences for over 450 plants
  • It has a booklet with fertilizer guidelines based on Nitrogen, phosphorus, and potash test results.


  • Uses advanced LED digital technology


  • It may not give optimal results if the soil is full of clay
  • The maximum pH this reader measures is 7.5

2. Atree Soil pH Meter (Best Price or Best Value)

Atree Soil pH Meter, 3-in-1 Soil Tester Kits with Moisture,Light and PH Test


  • You can measure soil moisture, pH value, and sunlight intensity.
  • Insert the probes into the soil about 4-6 inches (2/3 of the probes) to get your reading.
  • No batteries or electricity are needed.
  • A sensitive probe could sense changes in the soil and transfer details to the conductor, displaying accurate values.


  • It can be used for both indoor and outdoor plants


  • This soil tester can only be used in soil and cannot be used to test any liquid.
  • The prongs can bend easily if you aren't using them gently.

3. Soil Savvy (Premium)

Soil Savvy - Soil Test Kit | Complete Nutrient & Fertilizer Analysis


  • This professional-grade soil test kit provides an easy-to-understand fertilizer recommendation tailored to your specific soil or growing medium.
  • You will have to mail your soil sample to receive your full media report in 3-5 days.
  • It can be used on all outdoor and indoor media, including peat, coco, soils, and composts.
  • Each Kit comes with easy instructions for use.


  • The analysis provides a full report, including soil pH and 14 nutrients (N, P, K). You can access your soil report online. 
  • It can be used on all outdoor and indoor media, including peat, coco, soils, and composts.


  • You must mail your soil sample and wait 3-5 days to get the results back.

4. Luster Leaf Products Luster Leaf 1662 Professional Soil Kit

Luster Leaf Products Luster Leaf 1662 Professional Soil Kit with 40 Tests


  • 40 tests: 10 each for Soil pH, N, P, and K
  • Professional soil kit
  • Contains components for 40 tests. Ten each for Soil pH, N, P and K
  • It comes with a sturdy plastic case
  • Simple and detailed instructions included
  • pH preference list for hundreds of plants included


  • Very simple and easy to use
  • Provides quick and accurate result


  • It requires a filtering process which is a bit difficult and can get messed up if not done properly.

5. MySoil - Soil Test Kit

MySoil - Soil Test Kit | Grow The Best Lawn & Garden


  • It is a mail-in professional lab analysis and measures 13 plant available nutrient levels, including Nitrogen and pH.
  • Easy to follow instructions, with prepaid mailing envelope addressed to the testing lab. 
  • Tests any soil type and gardening condition - lawn & turf, vegetable gardening, flowers, compost, trees, vines, ornamental landscape, house plants, soil-less media, or hydroponics
  • Give the results back in 6-8 days with tailored organic and synthetic fertilizer recommendations. 


  • It can test any soil type and gardening condition, including compost and hydroponics.
  • Measures 13 plant available nutrient levels, including Nitrogen and pH


  • You must mail your soil sample and wait 6-8 days to get the result back.

The Bottom Line About Our Reviews - Which Soil Test Kit Should I Buy?

Our favorite pick for the best all-around soil tester is Luster Leaf 1605 Digital Soil Test Kit if you're looking for something that will last you a long time without breaking or coming apart as some other kits do. You can give results just in a few seconds!

We also recommend Atree Soil pH Meter. We recommend it for people looking for an easy way to measure their soil pH and how much water they need to give plants to have a thriving garden.

Finally, our third recommendation is Soil Savvy - Soil Test Kit. This one provides a full report of soil pH and 14 different nutrients (N, P, K). It seems well worth the investment if accuracy matters to you!

In conclusion, soil testing kits can help you determine what nutrients are lacking in your soil. The soil test kit reviews we've provided should help you decide which type of soil testing kit is right for your needs. Not all soils are the same; some tests may be more accurate than others, depending on what you want to measure. Our experts have done their best to provide various options so that everyone can find the perfect fit!


What is a soil test kit, and how do they work?

Soil tests are the best way to determine what nutrients, or lack thereof, need for plants to thrive. A pH test will tell how acidic or alkaline your soil is and whether you need to supplement with lime, a soil acidifier, or something else. A nitrogen test will determine if your plants are getting enough fertilizer and if you need more of it.

Why test your soil?

Soil testing kits can help you determine your soil's pH level, nutrient levels, and if it has enough organic matter. Testing is a quick way to know what fertilizer will be most beneficial for the plants growing in that soil and how much fertilizing they may need.

What does a soil test kit do?

The purpose of testing your soil at home is to know what type of nutrients it needs, how much fertilizing it may require, and which plants will grow best in the type you have in your garden.

Soil test kit benefits: Why use a soil health kit? What are some benefits of utilizing a soil health kit?

A great benefit of using a soil-testing kit is knowing where nutrients may need replenishment to maintain healthy plants year-round. This lets gardeners plan when applying fertilizers during planting season so they don't waste resources!

How long will my soil health kit (soil test kit) last?

A soil test kit should usually last at least two years when stored properly, but this can vary depending on how many times they are used each year. They need to be kept dry and out of direct sunlight, which could make them expire faster than usual! Generally speaking, though, as long as these conditions are met, soil health kits should last well over two years. This is based on the assumption that you will use your soil test kit once every few months to check for nutrient levels and pH balance (which can change with time). This timeframe could decrease significantly if it's being used daily or weekly.

Are Certain Soil Test Kits More Suitable for Testing Tomato Fertilizer Levels?

When determining the best tomato fertilizer options, it's important to use soil test kits specifically designed for testing fertilizer levels for tomatoes. These kits can provide accurate results to ensure the proper nutrients are being used to promote healthy tomato growth and high yields.

How do you correct pH in soil?

If your soil pH is low (acidic), you can increase soil pH by adding lime. If your soil pH is high, you can add sulfur, compost, organic mulches, manure, etc., to make it more acidic.


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At AgFunnel, we're passionate about giving you the best possible farming and gardening advice. We only share information that meets our high standards for quality, research, and transparency, so you can be confident you're getting the best guidance.

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