Water magic is about releasing, accepting, flowing around obstacles, anything you might imagine that water is, helps, or does.
There are many creative ways to work with water. You can do a meditation or a spell in the shower or when you wash your hands, or take a purifying ritual bath as a more special occasion. You can bless your water bottle with a specific intention, or charge it with crystals (be careful to use only ones that are not toxic or just set up a grid around your water bottle).
Many people collect rain water or moon water from different phases of the moon. You can use these during spellwork or meditations. If you use a fountain pen, you could even put your ink cartridges out in the moonlight!
What ways do you work with water?