Talk talk talk! I would perhaps leave traces of it so people become aware subliminaly and want to try, then I'll keep spreading the word until my peers are hooked and tell their friends! Trends start very easily around my Campus especially via social medias.

I would encourage them by emphasizing the benefits and importance of clean hydration, especially people who tend to not like water or drink too many energy drinks. Amazon is such an accessible platform that can easily be shared with links, sent anywhere, and a product like this is helpful to be shared through Amazon in case local stores may not carry it.

I could introduce it to my grab-and-go dining hall, promoting to my virtual community through reviews and attaching links. I will relay the promotions to my friends and post with/about the product, especially any favorites!