Do I need to do anything to it before it's ready to drink out of? April 22, 2019 19:11 All you need to do is assemble the bottle as directed to begin enjoying filtered great tasting water. Related articles What does the bottle filter out? I’m only getting air when I try to drink through the bottle. Why? Can I use this filter to drink out of a stream/lake/outdoors? Comments 0 comments Article is closed for comments.