Sun Joe SJ-MMPH1 3-in-1 Soil w/Moisture, pH, and Light Meter $6.99 + Free Prime Shipping

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3 Modes: Moisture, light, pH

• Light Sensor: Measures light intensity levels, 0-2000 LUX
• Moisture Sensor: 7.9" copper probe for 10 moisture levels
• PH Sensor: 7.9" aluminum probe, 3.5-8pH scale