What are good ways to flavor water? I'm having a hard time to keep hydrated... and really, I think a good part of it is that straight water is really meh.
I know of ways to flavor water, but I find fruits to be a bother (you then have just soggy fruit  at the end of your bottle, not always have access to some trashcan to throw them into) and most flavor powders are stupidly high in sugar.
So is there other good ways to flavor water that do not create a waste product and are not super high in sugars?
Lemon juice
This one is fairly obvious and self-explanatory. Although the idea is mainly associated with highly sugarey lemonade, just a few drops of juice in a bottle of water and no extra sugar gives it a nice touch.
Vinegar
A matter of taste. Many will find this just gross, but it has of course a similar tartiness as lemon and less sugar.
Cucumber
This surprised me a lot when I first tasted it: you'd think cucumbers hardly taste of anything at all. But put a few fresh slices in a jug of water for half an hour, and they'll impart a subtle, but astonishingly interesting and really quite refreshing flavour.