3-in-1 Soil pH, Moisture & Light Meter for Garden Plants
3-in-1 Soil pH, Moisture & Light Meter for Garden Plants
3-in-1 Soil pH, Moisture & Sunlight Meter — Know Exactly What Your Plants Need
Take the guesswork out of plant care with this handy 3-in-1 Soil Tester. In a single, compact device you can instantly check your soil's moisture level, pH (acidity/alkalinity), and light intensity — everything you need to keep your garden, potted plants, or indoor greenery thriving. No batteries required; simply insert the probe and read the dial. Made in Mainland China.
Why You'll Love It
- 3 Measurements, 1 Device — Switch between Moisture, pH, and Light modes with a single selector switch. No need to buy three separate tools.
- Easy Analog Dial — Color-coded scale gives you an at-a-glance reading in seconds — ideal for beginners and seasoned gardeners alike.
- No Batteries Needed — Powered by the soil's natural conductivity; just insert, wait 10 minutes, and read.
- Long 180 mm Probe — Reaches deep into root zones (insert 2–4 inches) for a more representative soil reading.
- Lightweight & Portable — At only 58 g / 2.05 oz, take it from pot to pot or bed to bed effortlessly.
- Protects Your Plants — Catch dry soil, nutrient imbalances, or insufficient sunlight before they affect plant health.
Key Specifications
| 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) |
| Probe Tip Size | 10 mm × 4 mm × 4 mm |
| Probe Length | 180 mm / 7.09" |
| Overall Dimensions | 255 × 62 × 36 mm / 10.01 × 2.44 × 1.42" |
| Net Weight | 58 g / 2.05 oz |
| Color | Green |
| Battery | Not required |
How to Use
- Select your mode — Switch to Moisture, pH, or Light position.
- Insert the probe — Push the probe 2–4 inches into the soil near plant roots.
- Fine-tune position — Gently adjust the probe until the dial needle begins to move.
- Wait 10 minutes — Allow the reading to stabilize, then note the value on the color-coded dial.
- Remove & clean — Pull out the probe and wipe it clean with a dry cloth after every use.
Important Care Notes
- Do not press the probe against rocks or very hard, compacted soil — this can bend or break the tip.
- Always wipe the probe clean and dry after each use to maintain accuracy.
- Do not leave the meter inserted in soil for extended periods.
- Designed for soil testing only — do not use to test pure water or other liquids.
- If the soil is extremely dry, water it first and allow it to absorb before testing.
Package Contents
- 1 × 3-in-1 Soil Moisture / pH / Light Meter
Complete Your Home & Garden Setup
Looking for more handy home tools? Check out our Large Diameter Kitchen Funnel for cooking and outdoor use, or keep things tidy with our Japanese Wire Wall-Mounted Storage Basket & Shelf. For cord and cable tidiness around the garden shed or workshop, our 10-Pack Silicone Cable Ties are a great addition.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: Does the 3-in-1 soil tester require batteries to operate?
A: No batteries are required. The soil moisture and pH functions are powered by the natural conductivity of the soil itself. The light (LUX) measurement uses ambient light reaching the sensor, so no external power source is needed at all.
Q: Can I use this soil pH meter for houseplants as well as outdoor garden beds?
A: Absolutely! The compact, lightweight design makes it perfect for both indoor potted plants and outdoor garden beds, flower borders, vegetable plots, and lawns. Simply insert the 180 mm probe 2–4 inches into the soil of any container or garden bed for an accurate reading.
Q: How accurate is the pH reading on this soil tester?
A: The meter provides reliable, color-coded analog readings across a pH range of 3.5–8. For best accuracy, ensure the soil has adequate moisture (not bone dry), insert the probe firmly, and wait a full 10 minutes for the needle to stabilize before recording your reading. Wipe the probe clean between uses to prevent cross-contamination between readings.
Q: What is the light measurement range and what does it mean for my plants?
A: The light sensor measures from 0 to 2000 LUX. A reading of 0–200 LUX indicates a low-light area (suitable for shade-loving plants), 200–500 LUX is low-to-moderate, 500–1000 LUX is normal/moderate, and 1000–2000 LUX indicates high light — ideal for sun-loving plants. This helps you position plants in the optimal spot in your home or garden.
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.