The 8 Best Soil NPK meters (2023 reviews)

The luster leaf soil npk meter's high-end materials makes sure that it ages well with use. As a gardener, testing soil for fertilizer and pH of course is a good practice and indicates the soils health for planting. This thing is meant for small POTTED plants, and around small veggies & flowers with loose soil. It is used for potted plants, but works equally well outdoors. The rapitest unit is relatively sturdy and appears to be made with some regard for quality.

This tester provides a lot of information on one tool. It is so much more simple than using capsule style testing and provides much more diagnostics. The soil only needs to be a little damp and free of large rocks so the prob can enter the soil. The moisture reading works when you realize a reading of slightly dry would be ok as to get it in the ok range it has to be really drenched. For quick check of soil moisture instead of using tensiometers this device is very useful.

Why We Like This:

Good for beginners and quick, basic checks
Periodic soil testing is good practice
Delivers what they promise

Best For Farming: Moistenland Soil NPK Meter

Buy on Amazon

The moistenland soil npk meter is satisfactory and appropriate and fits well with your daily usage. This tool is amazing to have on your side to help your plants thrive. It can measure humidity, ph value, sunlight and nutrients by. The tilt feature is a definitive plus. This device helps inspect the soil to ensure it meets the needs of the houseplants.

This tester requires no batteries and has a swivel top allowing one to look down on the gage. The tester requires some moisture in the soil to measure the ph. This is easy to use out of the box, sturdily made and easy to read.

Why We Like This:

Light, moisture, ph, and nutrient levels all at once, which is so convenient
Great product, many features, no batteries
An amazing tool to have for gardening
Love that the head bends so easier to read

Best For Humidity: Hemdre Soil NPK Meter

Buy on Amazon

Next on the list, we've got yet another meter that manages to win our hearts. It's the hemdre soil npk meter and it's widely considered as meter that has the most suitable features. This soil tester is easy to use and has large numbers for ease of reading. It is a 4-in-1 multifunctional soil tester. It allows you to test the PH of the water you’re giving your plants and the pH of your soil. The soil tester uses a large LCD screen and green backlight to coveniently display and read digital parameters in day or dark. It could be designed better, with the meter facing upward, if standing and bending over. It will alert when the battery is low. It is easy to use and easy to read. It is easy to use except for the "hold" feature.

Why We Like This:

A must have for raised bed garden
Great for testing soil and water ph
You can wipe the dirt away easily

Best For succulent: Soilphu Soil NPK Meter

Buy on Amazon

Soilphu line of meter come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This soil moisture, ph, temperature and light tester offers 4 important measurements. It tells you how much water, sunlight and ph. It is a great tool for measuring growing conditions of all kinds of indoor and outdoor plants as well as garden evanescence. The plant measuring instrument can be used for your garden, farm, potted plants, succulent plants, etc. It is really simple to use.

There’s two buttons and a light sensor and the very well backlit screen. The metal probe is 8 inches long, and the battery is 4*AAA 1.5V batteries, very convenient. It will alert when the battery is low.

Why We Like This:

Easy to read and reliable results
Best one ever and the most user friendly tool
Survey light intensity of current environment
Ph value, temperature, moisture, and environment sunlight intensity

Best For Water: Taidacent Soil NPK Meter

Buy on Amazon

The taidacent soil npk meter is suitable and reliable and fits well with your daily usage. It is widely used in rice fields, greenhouse planting, rice, vegetable planting, orchard nursery, flower and soil research, etc. It can also be combined with multiple sensors in a 485 bus. The interface you use needs to match the computing device that will read the sensor output.

The sensor protection grade is ip68, and the entire sensor can be soaked in water.

Why We Like This:

Delivers what they promise
Lot of satisfied buyers

Best With LCD Display: 01 Soil NPK Meter

Buy on Amazon

01 has been making great meter for years, thanks to a combination of clever design and appropriate materials. This professional soil meter can detect nitrogen phosphorus and potassium content in soil, to help achieve the optimal level of crop growth. It is ideal for indoor and outdoor use, farms, gardens and lawns. The Soil Detector products are produced in accordance with strict quality standards before they leave the factory, with excellent performance and can be used with confidence.

This gardening monitor features high sensitivity probe and accurate measurement, and the error range is. It is small, it is handy to have around, just insert the stainless steel probe and check the LCD display. The professional soil meter is used to test the npk of the soil to help achieve the optimal level of crop growth.

Why We Like This:

Lot of satisfied buyers
Good investment for long term

Best For tree: Snoq Soil NPK Meter

Buy on Amazon

Snoq makes beautiful and great meter with classic and smartly choosen materials. The Soil meter adopts a handheld design, convenient for users to carry, probe adopts needle probe design, stainless steel material, with good corrosion resistance, high strength and toughness. It has high measurement accuracy and quick response speed, and adopts a low power LCD screen to display the measurement value. The Probe insertion design ensures accurate measurement, reliable performance, small size, light weight and easy to carry.

Why We Like This:

Low threshold, few steps, fast measurement, no reagent, unlimited test times
One of the new comers and featured product

Best For lawn: Asixxsix Soil NPK Meter

Buy on Amazon

The asixxsix soil npk meter should be able to handle its purpose and duties with ease. It is a 5-in-1 multifunctional soil tester. It comes with multifunction buttons, such as single point recording, start/stop recording, and easy operation. The Portable and compact design enables you to use this soil meter for house garden, farm, lawn and any other soil & plant analysis. It can not be applied to test the ph value of any other liquid.

Why We Like This: