Useful Tools: Self-watering probes are simple and effective ways to water your plants when you're on vacation, on a business trip, or forgetting to water them Application: The Set of 16 watering stakes is suitable for most garden automatic watering devices; they are good for seedlings, planting without pollution; and they will slowly release the water into the pot as plants need Measurement: the connecting tube is 78cm long, the root gets water directly by itself to get a drip irrigation Reminder: Watering stakes are suitable for watering any indoor plant; please keep the sink and the flowerpot at the same level; and the sink is at a higher level, which will speed up the drip irrigation process