You enter it like any other thing you consume. Just select, click, and drop! I keep both distilled and carbonated water in my favorites box so I can just drag and drop them every day.
If you need any help with it, I'm happy to lend a hand -- just let me know!
And, for the purposes of this discussion, it totally doesn't matter

-- but just so it's clear to folks who don't have DP, you don't have to go to a "site" to use it -- it's software installed on your computer, so being online is not required.
Good luck, Shalia -- and seriously, let me know if you have any questions at all.
