Product Parameters: This set includes 24 self-watering spikes designed for automatic plant watering. The spikes feature a tapered shape for insertion into soil and come in blue and green colors with adjustable valve components in gray and yellow. They are designed to fit bottles with an inner diameter of 1.1 inches / 2.8 cm, including the thread size. They are suitable for most beverage bottles, but not suitable for mineral water bottles or purified water bottles.

Core Features: The adjustable valve allows for control of the water flow rate, with drip speed adjustable from 0 to 60 seconds per drip. A continuous drip time of 1 to 15 days can be achieved depending on the setting. Installation is simple and requires no tools. It is only necessary to make a few holes in the bottom of the bottle or cut off the back of the bottle to maintain airflow.

Suitable Scenarios: These watering spikes are suitable for vegetables, potted plants, indoor plants, daily plant watering, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small trees, and shrubs. They can be used for both indoor and outdoor cultivation where a steady drip irrigation method is needed.

Product Summary: This 24-piece self-watering spike set offers a practical and adjustable way to support plant hydration with bottle-based drip irrigation. With tool-free installation and wide applicability across various plant types and gardening spaces, it provides a convenient solution for routine plant care.