Tested and Reviews: Best Usda Soil Test Kit (Updated | Oct 14th)
Want to understand your soil better? A USDA soil test kit can provide valuable insights into your garden’s nutrient levels, pH, and more, helping you make informed decisions about fertilization and soil amendments. With so many options available, choosing the right kit can feel overwhelming. This comparison will guide you through some of the best USDA-compliant soil test kits on the market. We’ll explore their features, testing capabilities, ease of use, and reporting accuracy, empowering you to select the perfect kit to unlock the potential of your soil and achieve a thriving garden.
Editor’s Choice
Best for a specific purpose
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Best for most accurate:
MySoil Soil Test Kit -
Best for best budget:
Rapitest Soil Test Kit for Gardens -
Best for comprehensive analysis:
Solvita Garden Care Test Kit | 3-in-1 Soil Test Kit (CO2 -
Best for professional testing:
NewTest Soil Test Kit 4 Parameters: Professional Accurate 40 Tests Soil Testing Kits for Lawns Gardening Vegetable Garden for pH Nitrogen Phosphorus Potassium – Soil Tester for Garden Nutrients -
Best for simple dual-dial:
AiGerdinn Soil Test Kit -
Best for complete soil analysis:
Soil Test Kit -140 Test- 2025 Updated- Testing PH Ammonia Nitrogen Phosphorus and Potassium – Tester for Your Vegetable Garden Lawn and Soil -
Best for fast results:
2-in-1 pH & Nitrogen Soil Test Kit -
Best for cost effective:
Soil pH Paper Test Kit – 100 Tester Strips (3.5-9 Range) – Use for Testing Garden Home Lawn Grass Vegetable Gardening Dirt Yard Compost Outdoor and Indoor Plants -
Best for 3-in-1 meter:
SONKIR Soil pH Meter -
Best for dual screen design:
HSLGOVE Soil Test Kit
Tested & Reviews: Best Usda Soil Test Kit
Most Accurate
MySoil Soil Test Kit, Unlock Your Lawn & Garden Potential, Complete & Accurate Nutrient and pH Analysis with Recommendations Tailored to Your Soil and Plant Needs
My Soil
- KNOW BEFORE YOU GROW | Grow the healthiest, sustainable lawn and garden with the most accurate and easy to use professional soil test kit on the market
- FAST & ACCURATE | Unlike at-home pH meters and test strips, our mail-in professional lab analysis accurately measures 13 plant-available nutrient levels, including Nitrogen and pH. Results in 6-8 days
- FOR ANY GROWING SCENARIO | Tests any soil type and growing condition – lawn & turf, vegetable gardening, flowers, compost, trees, vines, ornamental landscape, house plants, soil-less media or hydroponics
- SAVE TIME & MONEY | Stop applying products you don’t need. Learn exactly what products and amounts you need to grow the healthiest plants possible
- CUSTOM RECOMMENDATIONS | What to apply, how much to apply, and when to apply it. Provides both organic and non-organic fertilizer recommendations to effectively amend your soil
- IN THE KIT | 1 single-use soil sample kit with everything you need, easy-to-follow instructions, a prepaid mailing envelope addressed to our testing lab, and dedicated customer support
Best Budget
Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients.
Luster Leaf
- Quick, at home results for Soil pH, Nitrogen, Phosphorous and Potash Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators
- Contains all components needed for 20 tests. 5 for each of pH, N, P and K
- Contains all components needed to test all variables in several spots in the yard or garden
- Simple, detailed instructions included. Great for beginners and experienced gardeners alike.
- Soil pH preference list for over 450 plants included
Comprehensive Analysis
Solvita Garden Care Test Kit | 3-in-1 Soil Test Kit (CO2, NH3, pH) | Designed for Home Gardeners and Small Growers | pH Soil Test Kit | Soil & Compost | Precise, Accurate, Easy-to-Use
Solvita
- A revolutionary soil test kit for measuring soil and compost quality
- 3-in-1 Soil Health Test Kit | Measures the compost maturity, soil biology, and pH of your soil.
- The Field CO2 Test is used by the U.S.D.A Soil Quality Institute and the Compost Maturity Test is an approved test of the U.S. Compost Council.
- Precise, Accurate, Easy-to-Use Soil Test kit | Detailed instructions, interpretations, and suggested recommendations to improve your garden’s performance included.
- Completely Safe | No messy, harmful chemicals are involved.
Professional Testing
NewTest Soil Test Kit 4 Parameters: Professional Accurate 40 Tests Soil Testing Kits for Lawns Gardening Vegetable Garden for pH Nitrogen Phosphorus Potassium – Soil Tester for Garden Nutrients
NewTest
- Professional Soil Test Kit: All soil test kits on the market can not accurately detect soil chemical elements, the soil must be sent to the laboratory to test in order to obtain accurate data; NewTest Labs to solve this pain point, after a long period of in-depth research, the development of this professional soil testing kit; beginners can also accurately detect the chemical elements in the soil
- A Total of 40 Tests for 4 Parameters Consisting of 10 Tests each for pH, Nitrogen, Phosphorus & Potassium: NewTest soil test kit for lawns can independently test pH, nitrogen, phosphorus and potassium levels in garden soil up to 10 separate times, and help us grow the healthiest vegetable
- Detailed & Easy to Understand Step-by-Step Instructions for Use: NewTest soil testing kit for gardening come with a quick guide and detailed instructions, so even beginners can follow the steps to detect accurately the desired elemental levels; With NewTest soil tester for garden nutrients you can become an expert gardener
- Easy to Read Colorimetric Results: NewTest Labs have designed specific reading methods for each soil nutrient element in order to obtain the most accurate results; just follow the steps and compare the tested test strips or liquids to the colorimetric card, you can quickly read the level range of the nutrient element and get accurate results
- Tests any Soil Type & Gardening Condition: NewTest soil nutrient test kit is suitable for all soil types of lawn & turf, vegetable gardening, flowers, compost, trees, vines, ornamental landscape, house plants, soil-less media or hydroponics; If you have any questions, please contact NewTest Labs for the perfect solution
Simple Dual-Dial
AiGerdinn Soil Test Kit, 2-in-1 Soil Moisture Meter, Soil pH Meter -Dual Dial-Simultaneously-Display Results-Soil pH Tester, Moisture Meter for Garden,Lawn,Farm Indoor&Outdoor Plants-PureWhite
AiGerdinn
- 2-in-1 Soil Moisture Meter & Soil pH Meter: Designed for beginners, upgraded testing structure, a creative Dual-Dial design, can meet your different needs. Simply unbox and use. This soil meter takes the guesswork out of taking care of your plants and elevates your planting experience to the next level. Helps you to plant lush and healthy house plants.
- Dual Screen Design & No Battery Needed: Our soil pH tester with creative user-friendly design – Dual Dial, which shows the soil moisture level and soil pH simultaneously. No need to change the function switch and no need to install batteries, which makes it easy to use for young beginners to elder green thumbs.
- Sturdy & Easy to Read: Plug-and-play soil moisture meter, soil pH tester with a sturdy single probe, and has used 2 kinds of quality metal material, which is accurate, strong, less damaging the roots, and for long-term use. Simply insert the soil sensor into the soil (>an index finger depth) and the 2 dials quickly show accurate soil moisture level and soil pH readings.
- Widely Use & Affordable: Our soil plant moisture meter is wallet-friendly and can be used in versatile environments. You can use this soil hygrometer for plants indoor and outdoor gardens, backyards, greenhouses, farms, offices, and everywhere else not very hard grassgrounds & potted plants. It is well packed in a color retail box, you can also buy & send it as a practical gift to your family(father, mother, daughter&son) & friends, etc.
- Notes & Worry-Free Service: The 2in1 moisture meter for plants can only measure the moisture and testing pH of the SOIL, please don't test in water/any liquid. AiGerdinn provides a 365-day warranty and 24-hour friendly customer service. Please feel free to contact us if you have any issues with the 2-in-1 soil meter. We will do our best to correct the wrong, give you the best solutions, which can save your time waiting for processing progress.
Complete Soil Analysis
Soil Test Kit -140 Test- 2025 Updated- Testing PH Ammonia Nitrogen Phosphorus and Potassium – Tester for Your Vegetable Garden Lawn and Soil
Dewilde Trading Co
- Comprehensive Soil Analysis: Liquid soil test kits offer a comprehensive analysis of essential soil parameters, including pH, ammonia, nitrogen, phosphorus, and potassium. Having all these measurements in one kit provides a holistic understanding of the soil's fertility and health.
- Customized Fertilizer Recommendations: With data on pH and nutrient levels, liquid soil test kits help users apply the right type and amount of fertilizers, optimizing plant growth, and preventing over-fertilization, which could harm both plants and the environment. Whether its for lawns, garden, grass, plants, vegetables, turf, flowers, compost trees vines ornamental landscape house plants or hydroponics you will be able to get the results you want.
- Time and Cost-Effective: Liquid soil test kits are relatively quick and easy to use, saving time for gardeners and agricultural professionals. Compared to sending samples to a laboratory, these kits provide rapid results, allowing for prompt action. Additionally, they are cost-effective for routine testing, making it feasible to monitor soil health regularly.
- Optimal Plant Health and Yield: By knowing the soil's pH and nutrient levels, gardeners and farmers can fine-tune their agricultural practices to create an environment conducive to optimal plant growth. Adequate levels of ammonia, nitrogen, phosphorus, and potassium are essential for healthy plant development and higher crop yields.
- Accurate and Precise Results: Liquid test kits are designed to provide accurate and precise measurements when used correctly. They are calibrated to detect specific nutrient levels, ensuring reliable data for informed decision-making in plant nutrition and soil management. You get a total of about 140 test. which is 40 test for each parameter and about 20 or so for nitrogen
Fast Results
2-in-1 pH & Nitrogen Soil Test Kit, Home Soil Testing Kit for Lawns Gardening Grass Vegetables Nutrients, Soil pH Nitrogen Tester Strips Separately Sealed in Foils, Easy to Use, Rapid Results
Sooenben
- [2-in-1 Soil Test Kit: pH & Nitrogen]: Easily test both pH and nitrogen with a single strip. pH is crucial for nutrient absorption, while nitrogen is the key to vigorous growth and a healthy garden. Our test strips help you quickly understand your soil's unique needs, allowing you to create the perfect environment for different plants and maximize your garden's potential.
- [Fast, Simple, and Reliable]: Forget expensive and time-consuming lab tests. Our user-friendly kit lets you get accurate results right at home. The process is simple:①Collect a soil sample and mix it with water in the included test tube;②Let the mixture settle for about 20 minutes; ③Dip a test strip into the clear liquid for 2 seconds; ④Wait 60 seconds and compare the colors to our reference chart for a clear result.It's a quick and efficient way to take the guesswork out of gardening.
- [All-in-One Complete Kit]: The Sooenben All-in-One kit provides everything you need to start testing immediately, no extra tools required. Each kit includes:Test Strips,Test Tube with Scale,Soil Sample Spoon,Instruction Manual. With this comprehensive solution, you'll be able to easily adjust your soil's pH and nitrogen levels for optimal plant health, making testing, amending, and growing more convenient than ever.
- [Long-Lasting Value]: Our test strips are sealed in 6 separate aluminum foil bags, with 10 strips per bag. This packaging ensures a shelf life of up to two years for unopened bags, preventing waste. Add this kit to your essential gardening tools and use it throughout the year to test your soil before planting new vegetables or seasonal flowers.
- [Versatile Use for Your Plants]: This reliable soil test kit is perfect for a wide range of applications, including Indoor Plants & Potted Flowers, Vegetable & Herb Gardens,Annuals, Perennials, Trees, & Shrubs, Lawns etc. Optimize your soil's pH and nitrogen to significantly improve the health and yield of your plants, wherever you grow them.
- [Important Usage Tips:] 1. Not for Water: Please do not use distilled or tap water to verify the accuracy of the pH test. Our strips are specifically calibrated for the high mineral content of soil. The low ion concentration in water can cause an inaccurate reading that reflects the paper's base pH. Different liquids require different testing methods for precise results; 2. Keep Strips Horizontal: For the most accurate pH and nitrogen readings, keep the test strip horizontal during the testing process. The nitrogen test pad contains an acidic substance that can contaminate the pH test pad if the strip is held vertically, leading to an incorrect result.
Cost Effective
Soil pH Paper Test Kit – 100 Tester Strips (3.5-9 Range) – Use for Testing Garden Home Lawn Grass Vegetable Gardening Dirt Yard Compost Outdoor and Indoor Plants
Dewilde Trading Co
- Accurate Soil pH Testing: Dewildetradingco Soil pH Test Strips offer measurements of soil pH levels (pH 3.5-9). As an essential tool for every gardener and grower, these test strips help determine the optimal pH for various plants, such as outdoor plants, indoor plants, gardens, grass lawns, fruit trees, flowers, vegetables, and forest shrubs.
- User-Friendly Testing Procedure: The testing process is simple and efficient. Mix the sample soil with water, let the solution sit for 30 minutes, dip one strip into the solution for 3 seconds, and then hold it horizontally for 60 seconds. Compare the results against the provided color chart on the bottle for quick and reliable readings.
- Cost-Effective and Versatile: With 100 Soil PH checker strips included in each package, Dewildetradingco provides a cost-effective solution for soil testing. It caters to various planting needs, offering valuable insights for a wide range of horticultural applications.
- Optimize Plant Health and Growth: Maintaining the correct pH is crucial for optimal plant growth and bountiful yields. Dewildetradingco Soil pH Test Strips enable gardeners and growers to adjust their soil conditions, ensuring nutrient availability and preventing wasteful spending on ineffective amendments.
- Convenient On-the-Go Monitoring: The Dewildetradingco Soil pH Test Strips are designed for portability, allowing gardeners to perform quick soil testing in various locations. As an essential tool in every gardener's soil tester kit, these pH strips help ensure thriving plant life and efficient resource management.
3-in-1 Meter
SONKIR Soil pH Meter, MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use (Green)
SONKIR
- Kindly NOTE: This soil tester can not be applied to test pH value of any other liquid. If the soil is too dry the indicator will not move, and water it before testing.
- 3 METERS IN ONE: Soil moisture level, Soil pH value and Sunlight level could be tested easily according to your need by switching the function button of this soil meter.
- NO BATTERY NEEDED: Simply insert the meter into soil, wait few minutes, accurate test results will be displayed on the readout panel. No battery is needed.
- STURDY AND SCIENTIFIC DESIGN: Reliable materials and upgraded technology used for this soil meter make it advanced and high-quality for long-term use.
- MULTIPURPOSE SOIL TEST KIT: Portable and compact design enables you to use this soil meter for house garden, farm, lawn and any other soil & plant analysis. Ideal for indoor and outdoor use.
Dual Screen Design
HSLGOVE Soil Test Kit, 2-in-1 Soil Moisture Meter/Soil PH Meter, Dual Screen Soil Tester, Soil Moisture Meter for Plants Watering/Gardening for Lawn,Farm Indoor&Outdoor Use-AgatePurple
HSLGOVE
- INTUITIVE INSIGHTS PLANTS: 2-in-1 soil tester includes soil moisture meter and soil pH meter, allows you to effectively and accurately measure critical soil moisture levels and soil pH results. No longer finger-touch the dirt and no worry about overwatering. This soil tester takes the guesswork out of taking care of your plants and elevates your planting experience to the next level.
- BATTERY-FREE & AHEAD DESIGN: This soil pH tester and soil moisture meter for plants don't need batteries. Moreover, our soil tester features a creative dual-dial design. Just plug-&-read, no switch, it shows the soil moisture level and soil pH simultaneously. Which is more user-friendly for both new and regular users. Helps you to plant lush and healthy house plants easily.
- SINGLE PROBE & EASY TO USE: Soil moisture meter adopts 2 high-quality steel sensing probe, more sturdy, and the single probe less-hurts the roots. Simply insert soil meter>3 inches deep(at lest), you will get soil moisture in seconds, and get effective soil pH results in 3 mins. It is an essential gardening tool for plants indoor&outdoor garden, Lawn, yard, farm or greenhouse, etc.
- WIDELY USE & IDEAL GIFTS: Designed for houseplants growers, and aims to make it easy to use for beginners to green thumbs. Soil moisture tester probe is 7 inches in length, it can be used for most small, medium, and parts of large house potted plants. It is well packed in a color retail box, you can also send it as a practical gift to your family(father, mother, daughter&son) & friends, etc.
- NO WORRY SERVICE & IMPORTANT TIPS: – HSLGOVE aims to provide zero risk/ satisfactory service for our users, we'd like to address any issues or concerns you have. If you have any questions, please be sure to contact us to solve for you. Tips: Don't test any liquid! Don't force it into hard/too loose ground/soil! Don't forget to wipe the soil probe after each use.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What does a USDA soil test kit help me determine?
A USDA soil test kit helps you understand your soil's nutrient levels (like nitrogen, phosphorus, and potassium) and pH, which are crucial for healthy plant growth.
Why should I use a soil test kit?
Using a soil test kit allows you to tailor your fertilization and soil amendments to your specific soil needs, preventing over- or under-fertilization and promoting optimal plant health.
What are the key factors to consider when choosing a soil test kit?
Consider the accuracy, the number of tests included, the ease of use, and whether the kit tests for the specific nutrients and pH relevant to your plants.
Are digital or chemical soil test kits better?
Both digital and chemical kits have their pros and cons. Digital meters offer quick readings, while chemical kits often provide more comprehensive nutrient analysis. Choose based on your needs and comfort level.
How often should I test my soil?
It's generally recommended to test your soil at least once a year, ideally before planting season, or more frequently if you notice plant health issues.
What do the nitrogen, phosphorus, and potassium (NPK) values in a soil test mean?
Nitrogen (N) promotes leaf growth, phosphorus (P) supports root and flower development, and potassium (K) contributes to overall plant health and disease resistance. The test results indicate the levels of these nutrients in your soil.
How accurate are home soil test kits compared to professional lab tests?
Home soil test kits can provide a good general indication of your soil's condition, but professional lab tests typically offer more precise and detailed analysis.
