Adjustable drip control
A valve controls the water release rate from 0–60 seconds per drop, with slow-release drips lasting 1–15 days.
XCSOURCE
Adjustable plastic bottle spikes that convert soda or water bottles into drip waterers. They are commonly sold in larger multipacks for many plants.

The most important capabilities and tradeoffs at a glance.
A valve controls the water release rate from 0–60 seconds per drop, with slow-release drips lasting 1–15 days.
The bottle adapter spike converts soda or water bottles into drip waterers before staking into soil.
Suitable for houseplants, vegetables, herbs, hanging baskets, patio plants, garden plants, small trees, and shrubs.
XCSOURCE Automatic Watering Spikes are adjustable PP plastic bottle adapters that turn soda or water bottles into drip waterers for a range of indoor and outdoor plants.
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Detailed specifications and product characteristics.
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