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

Know Your Soil, Grow Better Plants

Take the guesswork out of plant care with this 3-in-1 Soil Tester. In seconds, measure your soil's pH level, moisture content, and ambient light intensity — everything you need to keep your indoor houseplants, outdoor garden, flower beds, or farm plots thriving. The easy-to-read LCD display gives instant, clear readings so you can act fast and confidently. Made in Mainland China.

Why You'll Love It

• 3 Measurements in 1 Tool: pH, moisture, and light — no need to buy separate meters.
• Stop Over- or Under-Watering: The moisture scale (1–10: DRY / NORMAL / WET) tells you exactly when your plants need water.
• Ideal pH Monitoring: pH range of 3.5–9.0 helps you match soil acidity or alkalinity to your plant's needs.
• Light Level Readings: Measures relative light from 0–2000 lux (LOW / NORMAL / HIGH) so you can find the perfect spot for any plant.
• Temperature Sensing: Reads soil temperature from -9°C to +50°C (16°F to 122°F) with switchable °C/°F display.
• LCD Display with Low Battery & Auto-Off: Conserves battery life and clearly alerts you when power is running low.
• 200mm Probe: Long enough to reach the root zone for accurate readings.
• No Battery Required for Basic Use: The pH, moisture, and light functions operate without a battery. A 9V battery (not included) powers the temperature and advanced display features.

How to Use

1. Switch the dial to your desired measurement 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 until the pointer begins to swing slightly.
4. Wait approximately 10 minutes, then read the measurement on the LCD display.
5. Remove the probe and wipe clean with a dry cloth after each use.

Measurement Specifications

Perfect For

• Indoor houseplants & succulents
• Outdoor garden beds & lawns
• Flower pots & window boxes
• Vegetable gardens & farms
• Landscaping projects

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Learn More About Soil Health

Healthy soil is the foundation of a thriving garden. Learn more about soil quality and sustainable gardening practices from the U.S. Department of Agriculture – Soil Resources.

Learn more: Soil test

Frequently Asked Questions

Q: Does this soil tester require a battery to measure pH and moisture?

A: No battery is needed to measure pH, moisture, or light levels — these functions work without power. A 9V battery (not included) is required only for the temperature display and advanced LCD features.

Q: What is the pH measurement range of this soil tester?

A: This 3-in-1 soil tester measures soil pH from 3.5 to 9.0, covering acidic, neutral, and alkaline soil conditions. This helps you determine whether your soil is suitable for specific plants, flowers, or crops.

Q: Can I use this meter for both indoor plants and outdoor gardens?

A: Absolutely! The 3-in-1 soil tester is designed for versatile use — indoors with potted plants and houseplants, and outdoors in garden beds, flower patches, vegetable plots, and farmland.

Q: How do I clean and maintain the probe?

A: After each use, remove the probe from the soil and wipe it clean with a dry cloth. Avoid submerging the device in water. Keeping the probe clean ensures accurate readings over time.