Use a re-usable water bottle

We all use reusable bottles every day-I take one to work, my partner takes a water and a coffee bottle to work and our son takes a water and a juice/water bottle to school. It's his morning chore to fill everyone's bottles before we leave. I also use another bottle next to the bed...but that is because the cats would always drink out of or knock over my water when I use a regular cup. :)