As I remember, when the butler served tea to our suite, it was already brewed and served from a silver tea dispenser. There were no leaves in the tea, so I assume it was brewed from tea bags.
At the captains club afternoon tea, they brought hot water along with a selection of Bigelow teabags to choose from. Sorry - not quite your loose P of W.
Maybe Celebrity could offer a mini-seminar on tea etiquette like they do on wine tasting? I enjoyed learning as much as I could from my friend, Sharon, but still feel like there's a lot of protocol I don't know.