How does this device accurately measure nutrients in soil? Meaning what is the actual science behind its function?

No idea but it seems to work my plants look great as long as I keep the ph ,nutes, where they need to be

The needle never moves when testing ph. I tried different soil types and the needle remained all the way to the left. Why isn't it reading?

how do you know that you have several different types of soil? so to find out add a handful of ph stuff, one way or another...acid or basic..like camilla fertilizer to a small area and water and wait a week and retest..if it doesn't good acid them the meter is faulty...or...take it to a nursery and test it on different plants there. The seconds reason is that because the current soil conditions are ideal,the soil is slighty acidic to neutral. So the scale plate needle does not swing and stays on the 5-7 position after inserting soil. Please note insert the meter probe into the soil 2-4 inches, or the pH value testing may fail.

Not sure,it doesn't say on it.There is a symbol on the back saying UKCA.Other than that it's made by moistanland and their website has a contact email that might help you! Meter works great no matter where it's from.I'm happy with it!

How long is the probe on this meter?

The probe is about 4 inches long but you only have to insert in the soil 2 inches for readings.

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[Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use, No Batteries Required, Gifts for Plants Lover

[Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use, No Batteries Required, Gifts for Plants Lover

Product ID: 468947840

Details

Battery Description
No Batteries
Brand
moistenland
Color
White
Item Weight
118 Grams
Manufacturer
Moistenland

🌱4-in-1 soil condition tester

🔄90° swivel head for easy reading

🔋No batteries needed, always ready

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R632

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Battery Description
No Batteries
Brand
moistenland
Color
White

Description

🌿 Unlock pro-level plant care with a twist—literally!

ZERO BATTERY HASSLE - No power source required—portable and eco-friendly for indoor, outdoor, and farming use anytime, anywhere.
BONUS PLANT CARE GUIDE - Comes with a free expert plants guide—your secret weapon to thriving greenery and enviable harvests.
ALL IN ONE SOIL INSIGHT - Measure moisture, light, nutrients, and pH with one sleek device to optimize plant care effortlessly.
ERGONOMIC SWIVEL DESIGN - 90° rotating head lets you read results comfortably without bending—perfect for busy professionals.
ROOT FRIENDLY SINGLE PROBE - Durable, upgraded probe minimizes root damage while delivering precise readings in seconds.

The [Upgraded] Soil Moisture Meter is a patented 4-in-1 tester that accurately measures soil moisture, light, nutrient levels, and pH without batteries. Featuring a unique 90° swivel head for ergonomic readings and a durable single probe that protects roots, it’s designed for indoor and outdoor gardening, lawn care, and farming. Includes a free plant care guide, making it an essential tool and perfect gift for plant enthusiasts aiming for lush, healthy growth.

Specifications

ASIN	B0B7DQDRZC
Battery Description	No Batteries Required
Best Sellers Rank	#8,525 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #18 in Soil Meters
Brand	moistenland
Brand Name	moistenland
Color	White
Customer Reviews	4.1 out of 5 stars 2,798 Reviews
Item Weight	118 Grams
Manufacturer	Moistenland
Model	P403W
Number of Items	1
Part Number	P403W
Smart Home Compatibility	Not Smart Home Compatible
Unit Count	1.0 Count

Reviews

R**F

25.03.2026

W**R

1.03.2023

J**N

12.09.2022

B**E

13.01.2026

E**Z

29.04.2026

P**M

28.04.2026

R**C

26.04.2026

R**M

29.08.2023

D**.

26.08.2025

M**A

18.04.2024

م**ي

21.11.2025

A**C

18.05.2025

L**S

1.05.2023

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