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Soil Tester,3 in 1 Soil Moisture/Nutrient/Soil PH Tester Kit for Garden Nutrients,Lawn,Grass,Outdoor & Indoor Plants,Soil Meter,Soil Meters

It can measure soil moisture,soil fertility,soil PH.
[Humidity]Toggle the instrument's button to MOIST,MOIST is the moisture key, corresponding to the instrument is moisture, the left is dry, the right is wet.Values 1-3 (red part) indicates that it is dry and needs watering.Values 4-7 (green part) indicate that the humidity is appropriate, adjust the watering time according to the plant species.Values 7-10 (blue part) red part, indicating too wet.To use, insert the probe more than two-thirds of the way into the soil and take a reading in about 3 seconds.If you encounter resistance, try again elsewhere.Slide the switch and check the Soil Moisture/Fertility/PH result in the display window.
Note: If the soil is too dry, you need to wet the soil with water to measure the value, otherwise it may cause the instrument needle will not work, the instrument detects humidity in the range of 1-10, if the test environment soil humidity is lower than 1 or more than 10, it may lead to the instrument does not work properly.