7 in 1 Soil Tester pH Moisture Light Fertility | Yieryi lawn irrigation system or read all three at

or read all three at once with the NPK soil tester

Best in common garden and potting soil

They are great for spotting when a nutrient is running low and for tracking whether feeding worked

ambient humidity

7 in 1 Soil Tester pH Moisture Light Fertility | Yieryi lawn irrigation system or read all three atThis 7 in 1 soil tester reads soil pH, moisture, fertility, and temperature, plus light, air temperature, and humiditya rounded read on both your soil and the environment around your plants, all on one backlit screen. Push it into moist soil and check the values. The pH and moisture are measured directly. Read pH as a direction, aiming for 6. 0 to 7. 0 for most plants. The fertility figure is a directional gauge of overall nutrient level, useful for