about this project How to use: As the soil dries, the ceramic cone gradually delivers water into the surrounding soil; thereby creating a vacuum inside the cone, drawing water from a nearby water container; once the soil is moist enough, the watering stake stops flowing water; Note: After the stake is filled with water and covered, a vacuum is formed in the stake Helpful Tool: Automatic watering probes are an easy and effective way to water your plants when you're on vacation, on a business trip, or when you forget to water Application: 10-pack watering stakes are suitable for most automatic garden watering equipment; sow seeds well and plant without pollution; they will slowly release water into the pots according to the needs of the plants Measurements: The length of the connecting pipe is 78 cm/30.7 inches, and the root absorbs water directly to realize water drip irrigation Tips: The watering stake is suitable for watering any indoor plants; please keep the sink and the flower pot on the same level; and the sink is at a higher position, which will speed up the process of drip irrigation