Soil Thermometer

[Features]
· A geothermal thermometer used by inserting it into soil (in the ground or in plant pots) for temperature control in germination, nursing seedlings and potted plants.
· Plant growth and soil temperature are closely related. A soil thermometer which allows effective cultivation through confirmation of the optimum growing temperature, which is different depending on the type of plant.
· The O-3 is a small, colorful three-piece set.
· The O-4 can simultaneously measure air and ground temperature.