3-in-1 Soil Moisture, pH & Light Meter for Garden Plants

3-in-1 Soil Tester — Know Exactly What Your Plants Need

Take the guesswork out of gardening with this compact 3-in-1 Soil Moisture, pH & Light Meter. In a single probe, you get instant readings of soil moisture level, soil acidity (pH), and ambient light intensity — everything you need to keep your indoor plants, garden beds, and flower pots thriving. No batteries required!

Key Features

• 3-in-1 Functionality: Measures soil moisture, pH acidity/alkalinity, and relative light level — all with one easy-to-switch dial.
• Accurate Readings: Reliable analog gauge displays results clearly so you can make confident watering and feeding decisions.
• No Batteries Needed: Completely self-powered — just insert the probe and read the dial.
• Beginner Friendly: Simple 3-step operation makes it ideal for new gardeners and seasoned green thumbs alike.
• Lightweight & Portable: At just 58 g, it's easy to carry between pots, raised beds, and outdoor garden plots.

Measurement Ranges

• pH Range: 3.5–8 pH (3.5–6.5 Acid | 7 Neutral | 7–8 Alkaline)
• Moisture Range: 1–10 (1–3 Dry | 4–7 Normal | 8–10 Wet)
• Light Range: 0–2000 LUX (0–200 Low | 200–500 Low+ | 500–1000 Normal | 1000–2000 High)

Technical Specifications

• Color: Green
• Probe Tip Size: 10 mm × 4 mm × 4 mm (0.4″ × 0.16″ × 0.16″)
• Probe Length: 180 mm / 7.09″
• Product Dimensions: 255 mm × 62 mm × 36 mm (10.01″ × 2.44″ × 1.42″)
• Net Weight: 58 g / 2.05 oz
• Battery: Not required

How to Use

1. Switch the selector dial to your desired mode: Moisture, pH, or Light.
2. Insert the probe 2–4 inches into the soil near the plant's root zone.
3. Gently adjust the probe angle until the needle begins to move.
4. Wait approximately 10 minutes, then read the value on the analog dial.
5. Remove the probe and wipe it clean after every use.

Important Care Notes

• Do not force the probe into rocky or extremely compacted soil to avoid bending or breaking the tip.
• Always wipe the probe clean after each use to maintain accuracy.
• Do not leave the meter in the soil for extended periods.
• Designed for soil testing only — do not submerge in pure water or other liquids.
• If the needle doesn't move, the soil may be too dry; water first and retest after a short while.

What's in the Box

• 1× 3-in-1 Soil Moisture, pH & Light Meter

Made in China.

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Frequently Asked Questions

Q: Does the 3-in-1 soil moisture meter require batteries?

A: No, this soil moisture, pH, and light meter requires no batteries at all. It is entirely self-powered through the probe's electrochemical interaction with the soil, making it ready to use straight out of the box.

Q: Can I use this soil tester for all types of plants?

A: Yes! This 3-in-1 meter works for a wide variety of plants including indoor houseplants, outdoor garden plants, flowers, vegetables, and potted herbs. Simply select the appropriate mode (moisture, pH, or light) and insert the probe near the root zone for an accurate reading.

Q: How do I read the pH level on this soil pH meter?

A: The analog dial clearly shows the pH scale from 3.5 to 8. Readings of 3.5–6.5 indicate acidic soil, a reading of 7 indicates neutral soil, and readings of 7–8 indicate alkaline soil. Most common garden plants prefer a slightly acidic to neutral pH range of 6–7.

Q: How do I care for the probe to keep it accurate?

A: After each use, remove the probe from the soil and wipe it clean with a dry or slightly damp cloth. Avoid inserting it into stones, gravel, or very hard soil. Do not leave it in the soil for long periods and never use it to test pure liquids — these steps will keep your readings accurate and the probe in great condition.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.