If you’d prefer a stronger cleaning solution, use 2 tablespoons (30 mL) of bleach instead.
Pipe cleaners are also a great way to get rid of any excess moisture in the drinking tube.
Cut the cotton ball or bud into a smaller piece if it doesn’t seem to fit through the drinking tube.
If you’re having difficulty getting the paper towels into the bottle with your hands, try using a set of salad tongs to place them in the bladder.