Daily
Fresh water every day is minimum care.
Updated
Bird guides
Change bird water at least once every day and sooner whenever it has food, droppings, bath water, feathers, slime, or bedding in it. Washing the bowl matters as much as refilling it.
Clean water is a daily care basic, not a once-in-a-while chore.

Food and Water
Change bird water at least once every day and sooner whenever it has food, droppings, bath water, feathers, slime, or bedding in it. Washing the bowl matters as much as refilling it.
Choose bowls and cleaning tools that make water care easy.
Use the hub for nearby questions after this answer.
Use supplies after the care plan is clear, not before.
Pick gear that makes the daily routine easier to repeat.
Fresh water every day is minimum care.
Change sooner when debris appears.
Refilling is not the same as cleaning.
Avoid droppings and food zones.
Swaps make care easier.
Drinking changes can matter.
Give fresh water daily in a clean dish. If the bird dunks food, bathes, or drops debris in it, change it again.
Film can build on bowls even when water looks clear. Empty, wash, rinse well, and refill.
Keep water away from high perches, messy food zones, and places where droppings fall into the dish.
Sudden increases or decreases in drinking, wet droppings, or not drinking with illness signs should be taken seriously.
Fresh water every morning, extra changes when dirty, and clean bowls every day.
Once daily is the minimum for clean water. Change it sooner whenever it gets dirty.
Some can, but bowls are easier to inspect and many birds use them more naturally. Clean any system daily.
Many birds dunk food or play with water. Plan for extra changes instead of letting dirty water sit.
Sudden drinking or dropping changes can be health information and should be discussed with an avian vet.
Use these after the care plan is clear. Match size and materials to the bird you actually keep.
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Separate clean food and water dishes that are easy to wash every day.

Keeps daily cage wipe-downs simple without fragrance or harsh residue.

Tracks food, weight, sleep, droppings, behavior, and vet questions in one place.

Plain paper makes droppings easier to monitor without scented products.