You can’t fill another glass until at least an hour has passed since your last one.
Why? The goal is to drink through the entire day.

Take your first glass of water of the day, please...

Next glass in: ... Now!

Each glass recommended intake is about 250ml.

But if you can’t take all that, just have a comfortable ammout. Is all about small steps.

Daily glasses are saved locally and the count resets with a new day.

Happy hydrating!