Clean is the name of the game
As you would expect from a water bottle named "Clean Bottle", this water bottle is very easy to clean after you've spent hours in the hot sun drinking energy liquids that coat the inside of your bottle like goo. Just screw off the top and bottom, clean with hot water and mild soap, and stick it on the drying rack for your next outing. Good as new.
One recommendation, which is the same for every water bottle: wash by hand. Dishwashers can get hot enough to melt the plastic