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The 8 Best soil testers of 2025

Are you trying to find soil testers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling soil testers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 87 soil testers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best soil testers you can buy today

No. 1
【Upgraded 】 4-in-1 Soil Moisture Meter, Soil Ph Meter, Soil Tester for Moisture, Light,Nutrients, pH,Soil Ph Test Kit, Great for Garden, Lawn, Farm, Indoor & Outdoor Use ,No Battery Required(Blue)
  • 🆓 Free Plant Growing Guide & Free Sandpaper
  • 🌿 Complete Plant Insights: Our innovative soil tester offers four crucial measurements, including accurate soil moisture levels and precise soil pH readings. Unlock a deeper understanding of your soil's nutrient content and light conditions to optimize your plants' health and growth.
  • 🌱 Advanced Patented Design No.D968976: Experience unmatched ease with the patented 90° rotating head, allowing you to effortlessly view the results without bending down. The single-probe design ensures reliable and safe measurements, reducing the risk of damage to plant roots.
  • 💧 Swift and Accurate: Get lightning-fast results by inserting the probe just 4 inches into the soil. Within seconds, you'll have the vital data you need to make timely adjustments for your plants' well-being.
  • 🌼 Versatile and User-Friendly: The Ultimate 4-in-1 Soil Tester is perfect for both indoor and outdoor use, making it an essential tool for gardens, lawns, farms, and potted plants. Plus, it requires no batteries, ensuring hassle-free and eco-friendly operation.
  • 🌳 Elevate Your Plant Care Efforts: Whether you're a seasoned gardener or a novice plant enthusiast, this soil tester empowers you with expert-level insights and precise measurements, setting you on the path to flourishing greenery like never before. If the tester doesn't work, try sanding the tip and pole.
SaleNo. 2
XLUX Soil Moisture Meter, Plant Water Monitor, Hygrometer Sensor for Gardening, Farming, Indoor and Outdoor Plants, No Batteries Required
  • Accurate Soil Moisture Detection:The XLUX Soil Moisture Meter can tell you if the soil deep inside your pot or garden is dry, moist or wet; whereas your eyes and fingers can only determine the moisture level of the soil surface.
  • Easy-to-Read Large Dial: The large dial is easy to read and includes three zones with ten scales, making it very straightforward to understand.
  • Immediate Moisture Reading: Insert the probe into the soil, and without waiting, the dial will immediately display the moisture level. You can then decide whether your plant needs watering based on the measurement. Do not leave this moisture meter in the soil for more than 5 minutes, as the metal tip will gradually corrode.
  • Less Damage: A single probe causes less damage to plant roots compared to double or multiple probes, and when you remove the probe after testing, it won't bring out much soil.
  • Usage Precautions: Do not use it to test very hard soil. Do not test water or other liquids. After testing, please wipe the probe clean.
No. 3
Garden Tutor Soil pH Test Kit (100 Strips), 3.5–9 Range – Accurate, Easy Soil Testing with Web-Based AI Computer Vision Test Strip Reader for Gardens, Lawns, Vegetables & Compost
  • Engineered for soil pH testing, delivering results quickly (typically in about 60 seconds).
  • Help understanding test results: Includes access to our web-based AI tool for enhanced result interpretation—no sign-up or app download required—snap a photo of your test strip and upload it for instant results, no need to manually interpret a color chart.
  • Simple and Reliable: With a 3rd Generation, 3-pad design, our test kit streamlines pH testing for consistent, repeatable results, further enhanced by our web-based AI-powered test strip reader.
  • Cost Effective: Includes 100 test strips, making it affordable to test multiple areas across your garden and lawn.
  • Optimize Your Soil: Proper soil pH is essential to unlock the nutrients in your soil and make them available to your plants. If your soil is too acidic or too alkaline for your plants they won't thrive.
  • Complete Kit: Comes with a full-color pH testing handbook, AI test strip reader template, access to our web-based AI machine vision ph test strip reader application, and an online lime and sulfur application estimator—everything you need to adjust your garden’s soil pH with ease.
No. 4
Soil Test Kit -140 Test- 2024 Updated- Testing PH Ammonia Nitrogen Phosphorus and Potassium - Tester for Your Vegetable Garden Lawn and Soil
  • 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
SaleNo. 6
iPower 4-Pack, 3-in-1 Soil Moisture/Light/pH Tester Plant Care Kit for Home, Garden, Lawn, Farm, Indoor & Outdoor Use, Square, 3 in 1 Meter, Green
  • 3-in-1 function: The soil tester can test soil moisture, pH value and sunlight level of plant (Design for testing soil only. Cannot be used to test any of other liquid)
  • Easy to use: No batteries needed, just insert the sensor probe into the soil about 2-4 inches, toggle switch to test moisture, pH or sunlight what you would like to measure
  • Easy to read: Large and clear dial, including ten scales, plug and read; 1-10 (dry to moist); Light range: 0-2000 (low light to strong light); pH range: 3.5-8 (acidic to 8 basic)
  • Indoor & outdoor use: Lightweight and portable design, easy to carry around for indoor and outdoor use, ideal soil test tool kit for gardening
  • Accurate & reliable: Double-needle detection technology enhances the speed and accuracy of detecting and analyzing soil moisture and pH acidity
No. 7
Luster Leaf Rapitest Soil Test Kit
  • Final assembly done in the USA
  • Innovative and inexpensive soil test kit features an easy-to-use capsule system
  • 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
No. 8
VIVOSUN Soil Tester, 3-in-1 Plant Moisture Meter Light and PH Tester for Home, Garden, Lawn, Farm, Indoor and Outdoor Use, Promote Plants Healthy Growth
  • 3-in-1 Soil Tester: This meter can test soil moisture, light and pH value; You can switch modes with one button; It makes gardening and plantng more efficient
  • Compact size: With a length of 10.8 inches, you can carry it around easily; it is convenient for both indoor and outdoor gardening
  • Testing Range: It has moisture range of 1-10 (dry to moist), light intensity of 0-2000 (low light to strong light) and pH level of 3.5-8 (acidic to 8 basic)
  • Easy to Use: Durable and easy to use, plug and read, no battery needed; Design for testing soil only; Do not be used to test pure water or other liquid
  • Support for Gardeners: Let you know your soil well with specific values so that you will know when to water, control pH level and determine if plants are getting adequate light
SaleNo. 9
Luster Leaf Products 1663 80 Professional Soil Test Kit, Green
  • Contains components for 80 tests. 20 each for Soil pH, N, P and K
  • Comes with sturdy plastic case
  • Simple and detailed instructions included
  • pH preference list for hundreds of plants included
  • Tips for gardening and altering soil conditions included

How to choose a good soil testers

Does the idea of finding a fantastic soil testers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in soil testers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top soil testers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top soil testers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top soil testers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top soil testers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the soil testers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good soil testers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your soil testers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting soil testers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our soil testers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what soil testers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on soil testers.