- Store recommeded water interval.
- Show "water icon" with different colour based on interval above.
- Green checkmark: Was given water today
- Green water drop: Has been given water recently [1 day ago, next water date - 2]
- Yellow water drop: Should be given water soon [next water date - 1, next water date + 1]
- Red water drop: Really need water [next water date + 2, inf)