There are countless possibilities for repurposing a mineral water bottle.
When you look for thoughts on this subject on the internet, you will never run out of options.
Make two parallel holes below the level of the cut, one on either side of the cut.

Image credit: NATUREplus on Youtube
Take a rope that is 40 cm in length.
Insert the spike into the hole that has already been created.
Fill the bottle with water and hang it above the plant that needs to be watered.

With the roller clamp, you may adjust the rate at which the irrigation runs.
A 2 liter bottle will provide enough water to irrigate your plant for two days.
This project will teach you how to build an autonomous drip irrigation system for your garden.

The positive aspect of this is that you are repurposing plastic garbage for gardening purposes.
You will be participating in a fun endeavor while also contributing to the preservation of the environment.