Top 4 Best soil pH Tester Kit Reviews 2021 by Expert

Last updated on July 8th, 2020 at 05:15 pm

We are writing Best soil pH tester reviews to make you familiar with the best and cheap soil testing devices available in today’s market. We all know that it is necessary to fertilize the plant for its healthy and strong growth. The soil in which the plant is to be grown must hold all essential nutrients.

Now, how would you know that which all nutrients are present in the soil, and which all are absent? There is a device known as a soil pH tester that helps you out in the same. It measures the right pH levels in the soil for you.

But how does it measure? How can you understand the readings? Which soil testing kits are the best? All such questions will be cleared in Best soil pH tester reviews, and you will gain cent percent authentic knowledge here.

Read Article: Viparspectra 300w LED Grow Light reviews – Is it worth the Money?


Best soil pH tester 2021

So, ready to reveal the top 4 soil pH testers and know about them? Here we go!

Name Measuring functionsCheck price!
Antonki soil pH meter
Antonki soil pH mete

pH value, sunlight and humidity

Check Price

Sonkir Soil pH meter MS01
Sonkir Soil pH meter MS01

pH value, sunlight and humidity

Check Price

iPower Soil pH meter
iPower Soil pH meter

pH value, sunlight and humidity

Check Price

Sonkir Soil pH Meter MS02 reviews table
Sonkir Soil pH Meter MS02

pH value, sunlight and humidity

Check Price

Best soil pH tester reviews

1) Antonki soil pH meter – Best selling

Antonki soil pH meter reviews

Antonki soil pH meter reviews

This Soil tester, known as Antonki soil pH meter is a very capable and successful one. It uses a digital system, which makes it convenient to see what all in the present in your soil, and what can you do about that. A guidebook comes with it, which indicates its functioning.


A very trustable brand, Antonki manufacture this product. The pH range of this soil tester is 3.5-8(3.5-6.5 Acid, 7 Nor, 7-8 Alkali). Moisture range is 1-10. (1-3 Dry, 4-7 Nor, 8-10 Wet). The relative light measurement is 0-2000 Lux. (0-200 is Low, 200-500 is low+,500-1000 is Nor, and 1000-2000 is high)

This product comes with a healthy 5 years warranty. The company claims to respond you within 12 hours of the first call made by you. In dimensions, the product measures 5.1 x 3.1 x 0.6 inches. The item weighs 2.4 ounces. The shipping weight is 4 ounces.


This device has got three in one functions. You can use it as a soil pH tester, plant sunlight tester, and soil moisture tester as well. This particular soil meter is not meant to be used for water.

High care for plant growing: This device is very scientific and effective. It will let you know when to water your plant, when to adjust lighting, and when to amend your soil.

No requirement of battery: This device doesn’t run on a battery. You will have to insert the sensor probe almost four to six inches deep into the soil and then wait for a few minutes.

Convenient reading: This soil pH meter is loaded with front light sensors and dual sensor probe, which are built of high quality. You can read the moisture, light and pH levels conveniently from the dial.

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A user guide comes along with this product, to guide you through various tasks. You can read everything regarding the features and functions on the device in its guiding manual.

  • Three in one functioning capabilities.
  • Highly featured.
  • Easy to operate.
  • Attractive design.
  • Highly durable
  • Excellent consumer reviews and ratings.
  • Getting out the slide in the strap is a bit difficult.
  • The inside pockets are too small to carry cash, driving license, credit cards, etc.
  • The screen protector is a bit small.

Two biggest advantages of buying an Antonki soil pH meter is its perfection and multi-functioning. Besides that, buying this device is not going to affect your pocket much. The performance of this soil meter is decent. Hence, we highly recommend Antonki soil pH meter to all.



2) Sonkir Soil pH meter MS01 – Highly durable

Sonkir Soil pH meter MS01 reviews

Sonkir Soil pH meter MS01 reviews

It is also a triple functioning device like the one, that was mentioned before it. You can know the better conditions of your plant with the help of this device. It determined the amount of moisture, light and pH value of the soil for you. By using this device, you can give a healthy growth to your plant.

It lets you track all changes and control every essential detail of your plant’s health with the help of scientific data monitoring. It is one of the best soil pH testers for cannabis and weed.


This soil pH meter is available only in one color-green. pH range is between 3.5 to 8 pH (3.5-6.5 for acidic 7-8 for Alkaline). The moisture range is 1 to 10 (1-3 means dry, 4-7 means normal, and 8-10 means wet). It can measure light intensity right from 0 to 2000 lux (0-200 means low, 200-5000 means low+, 500 to 1000 means normal and 1000 to 2000 stands for high ).

Dimensions of the product are 10.2 x 2.3 x 1.5 inches. Copper and aluminum probe diameters are 0.2 each. Probe length is 6.9 inches, and the distance between the probes is 0.5 inches. Product weight is 2 ounces/56 grams. This product with a 12-Month money back warranty.


Triple functioning: With the help of  MS02 meter, it measures pH value of soil, the intensity of light and soil moisture. When to switch the intensity of light, when to provide water, etc.

Accuracy: Double-needle detection technology is used in this device, which plays a vital role in enhancing the accuracy and speed of measuring of this soil pH meter.

For both indoor and outdoor use: This device is quite compact and lightweight. You can use it is lawns, farms, gardens, etc. and besides that, this device is widely used by the indoor growers as well.

Easy to operate: The features and functions of this device are very easy to use and understand. It is such a straightforward kind of device that even a kid can use it. The readings are projected on the scale dial.

No battery needed: Batteries are not needed in this particular soil pH tester. You just need to insert the sensor probe two to four inches below the soil to test the moisture, sunlight and pH value.

  • Compact and lightweight.
  • 3 in 1 functioning.
  • Highly durable.
  • Accurate measurements.
  • Consumer reviews are pretty good
  • Easy to operate.
  • Humidity measurements don’t stay accurate after five-six months in some cases.
  • Poor customer service.

On Amazon, 140 users have reviewed this item. It has got 3.8 stars rating out of five, which we call satisfactory. That was a bit surprising. The way this pH tester performed when our experts tested it, we felt that its star rating would be above 4.3. No need to hesitate before buying it. We highly recommend Sonkir Soil pH meter MS01 to both indoor and outdoor users.



3) iPower Soil pH meter – Amazon’s choice

iPower Soil pH meter reviews

iPower Soil pH meter reviews

When we say that a product is no. One seller, then it already indicates the excellence of the product. Just look at the ratings and reviews of this pH meter! Fantastic! It is a perfectionist in itself and does not cost more than its competitors. After using it, many people have mentioned that they gained a better yield. Let us give you info about this attractive three in one functional soil pH tester.


The package dimensions are 10.5 x 4.1 x 0.4 inches. and item weight is 1.6 ounces. pH range is from 3.5 to 8 pH (3.5-6.5 for acidic 7-8 for Alkaline). The moisture range is 1-10 (1-3 means dry, 4-7 means nor, and 8-10 means wet). This device measures the intensity of light 0-2000 lux (0-200 means low, 200-5000 means low+, 500 to 1000 means nor\ and 1000 to 2000 means high ).


Accurate reading: It entirely eliminates the guesswork and provides the info in perfect digits related to the moisture, pH value and light in the soil. Plants grow healthier, if you provide everything in the right amount, by using this device.

No electricity or batteries needed: This soil pH meter is ready to use right after you take it out of the box. Plug it in the soil, and read the measurements after just a few minutes.

Easily portable: You can put it in your pocket and go wherever you want. It is meant for indoor use and equally for outdoor use. Growing cannabis, weed or marijuana indoor? Get one iPower Soil pH meter.

Guaranteed satisfaction: The company provides a 12 months warranty with this product. So, whenever you feel that your soil pH meter is malfunctioning, contact the customer service, and your product will be replaced in no time. Besides that, a 30 days money back guarantee is also with you.

  • 12 months guarantee and 30 days money back guarantee.
  • Excellent user reviews.
  • It provides with perfect measurements.
  • High durability.
  • Comfortable price.
  • Triple functioning.
  • Few units were manufactured in a broken state.

It has received 4.3 stars ratings out of 5 from 274 reviewers. That is impressive. Besides that, no major cons in this device. A few users mentioned that the item malfunctioned right out of the box, but remember, that is a manufacturing defect. Warranty is there for replacements. We highly recommend iPower soil pH meter to all indoor and outdoor growers.



4) Sonkir Soil pH Meter MS02 – Editor’s choice

Sonkir Soil pH Meter MS02 reviews.jpg

Sonkir Soil pH Meter MS02 reviews.jpg

This device is like a higher version of Sonkir soil pH meter MS02, with a bit more accuracy, a bit better results, and better customer reviews. While the price doesn’t differ much. The best thing about this soil pH meter is its accuracy in all three departments-soil pH measurement, humidity measurement, and light measurement.

This three in one functional device has pleased everyone with its durability. If you use this device for tracking the growth of your plants, you are definitely going to get excellent results.


The pH range of this device is 3.5-8pH(3.5-6.5 means Acid,7-8 means Alkaline). Moisture range is 1-10(1-3 means dry, 4-7 means normal and 8-10 means wet). It can measure the intensity of light right from 0 up to 2000 lux (0-200 means low, 200-500 means low, 500-1000 means normal, and 1000-2000 means high).

Product dimensions are 11.5 x 2 x 1.5 inches, and the item weight is no more than 2.4 ounces.


The warranty: With this product, you enjoy a 12 months money back warranty, and you can enjoy new replacements throughout the warranty period. No complexity in the terms and conditions of this warranty, it is as simple as mentioned here.

3-In-1 Function: No need to buy different devices for measuring soil pH value, humidity, or light, as it does all three works for you.  Note: You cannot apply the pH function of this soil testing device in testing any other liquid.

Highly accurate: This soil pH tester consists of premium double-needle detection technology, brings speed and accuracy in measurement. This device is the true friend of your plants.

Fit for both indoor and outdoor growers: This device proves itself perfect for you, no matter you are an indoor grower or an outdoor grower. Sonkir soil pH meter MS02 is one of the best pH soil testers for cannabis.

Easy to operate: This device doesn’t work on batteries. Simply insert the sensor probe of this device two-four inches deep in the soil, Move the switch on moisture/sunlight/pH whatever you want to measure, and wait for just a few minutes to get the exact measurements.

  • Highly trending.
  • Triple function.
  • Decent durability.
  • Low price.
  • Fit for both indoor and outdoor growers.
  • 1 Year warranty and excellent customer service.
  • The probes are a bit weak and break after a little rough handling.

This soil pH meter is an outstanding performer. If you handle it with care, this is going to serve you for a very long time. We highly recommend Sonkir Soil pH Meter MS02 in our Best soil pH tester reviews as it passed all hurdles of testing and has satisfied a big number of its users.



Basic knowledge about soil pH tester

We already mentioned the best soil pH testers, and explained about them, so that you get an idea which product to purchase and trust. Now it is the time to give you basic info about the functioning of soil testing devices, their usage, what is the purpose of soil testing, etc.

We will be mentioning how can you use a soil pH meter and what all must you avoid while using it.

If you are new in gardening, or indoor growing, and don’t have full info about soil qualities and testing, then don’t miss a single word here, it is very crucial info, which we are going to provide you. If you are already an experienced one, then also you should have a look, because who knows what important thing you learn from here. Let’s proceed further now.

Usage of a soil pH meter

Step 1: Switch to moisture/pH/light position as per your requirement.
Step 2: Now you have to place the probe of your device into the soil almost 2-4 inches.
Step 3: Tune the position of the probe up till the pointer on the dial flap moderately.
Step 4: Examine the moisture/pH/light level in the dial after ten minutes.
Step 5: Now complete the process by removing it from soil and wipe away the dirt from it.

Purpose of measuring pH value in soil

The basic purpose of a soil pH meter is to read the pH value in the soil. Now, what is soil pH? It is the measure of the acidity and alkaline in the soil. Your pH meter must measure from one to fourteen. A neutral pH value is 7. That means the soil is neither acidic, not alkaline.

If your device is reading under seven, then it means that it is alkaline soil. Similarly, more the number rises, more the soil is acidic. A highly acidic soil keeps the chemicals in the fertilizer and stops from getting to the plant.

After knowing the right qualities of your soil, you can pick out a better fertilizer for your plant. Accordingly, that will suit the best. A test kit is going to help you out in figuring out that which plants suit the best for the soil in your area. In this way, you can avoid crop failure.

Purpose of a soil pH tester

One benefit we already mentioned in the paragraph above. Now, the other benefit of using a soil pH tester is that you will be having the right infoand records. Hence, you can avoid over-fertilizing the plant, which affects its growth. If you do regular testing with the test kit, you can also prevent your plants from certain diseases.

So, if you were unaware till now, then do not waste time, buy a good quality soil pH tester( You can buy any of the 4, mentioned in our Best soil pH tester reviews ), and grow your plants faster, better and healthier.

Measuring soil conductivity

You can test your soil’s conductivity in two different ways. TDS (Total dissolved solids) measures the amount of fertilizer present in your soil. So, once you know how much it is there in the soil, you will have a better idea of how much fertilizer to add and when to add.

If you want to grow a certain crop, it is necessary for you to measure the soil temperature, before proceeding further. For the process of germination, various crops need, unlike temperatures.

Note: Don’t measure it at the plant surface that is of no use. Measure it at a depth of the plant.

Either you can google about what crop will suit the soil with your recorded temperature, or the seed packaging itself gives you an idea, as the temperature requirement is written on the pack.

Various types of soil testers

There are various types of soil testers available in the market, which provide you with different fusions of measurements. When you think of buying a soil pH testing meter, just don’t go for a single functional one, instead, buy a triple functional, that measures sunlight and moisture along with pH value. These devices do not cost much.

Besides that, these soil pH meters come with instructions, which guide you in performing various tests. If you need to measure something, which these soil pH testers are not providing you with, then you can either google or contact a professional, who can advise you that what kind of kits or devices are going to fulfill our needs.

Caring the soil testers

The soil pH testers that we mentioned in our Best soil pH tester reviews are all highly durable, but rough handling can surely decrease the lifespan of the device. For maintaining the consistency in perfect measurements, you need to take proper care of the device.

Wipe off the dirt after every single use. Avoid touching the dry soil, hard rock soil, or soil with many stones, because by doing so, there are chances of probes getting damaged. For getting an accurate measurement, you need to insert the probe at the right depth and keep it there for at least ten minutes. Don’t be impatient. Otherwise, it will not read accurate measurements.

Final recommendation

We are sure that you learned many valuable things from our Best soil pH tester reviews and now you are having complete knowledge about the topic. Now we are going to repeat the whole review, but don’t worry. We are going to do that in the shortest way possible.

Antonki soil pH meter, is the highest selling one, so if you believe in purchasing only the most trendy ones, then buy Antonki soil pH meter, it will please you deeply.

If you want a soil pH meter, which is the most durable, then buy Sonkir Soil pH meter MS01, as it is going to serve you for very long. Just be good in its maintenance of the device.

If you are looking for a soil pH meter, that is having the maximum success rate, then buy iPower Soil pH meter, as it is Amazon’s choice.

If I were at your place, then I would have bought Sonkir Soil pH Meter MS02 because of its all-round performance and the max accuracy rate. That is editor’s choice.

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