Luster Leaf Rapitest Mini Soil pH/Moisture Tester

Mini pH and moisture tester prevents overwatering and checks which plants suit your soil with one test. Two stainless steel probes offer different readings. Instantly tells you when to water your plants. Tests the acidity and alkalinity of the soil. Includes watering needs for over 100 plants. Includes pH preferences for over 50 fruits, vegetables and flowers. No batteries are required for operation.