How to use
Step 1: Press the switch to the humidity / pH / light position
Step 2: Stick the probes on the ground 4-6 inches (2/3 of the probes)
Step 3: Adjust the position of the probes until the pointer on the dial turns slightly
Step 4: After 10 minutes, note the humidity / pH / light level on the dial
Step 5: Remove the probes from the ground and clean after each use.
1: This soil meter can only be used on the ground. Please do not use it to test liquid directly, such as plain water, lemon juice, vinegar and so on, or the probes may be damaged.
2: Do not insert the soil meter into very hard ground or touch hard objects, easy to damage the probes.
3: This soil meter cannot accurately measure the intensity of grow lights because most bulbs lack the full spectrum of sunlight. To maximize the accuracy of sunlight readings, point the light sensor on the top front of the meter toward the sun.
4: Do not leave the probes inserted in the ground longer than necessary to take a measurement.