Pour hot water over pu-erh, wait a few seconds, then pour it straight out — without drinking a drop. It looks wasteful. It isn't.
What the Rinse Actually Does
A quick rinse, usually five to ten seconds, wakes up compressed or aged leaves, allowing them to begin unfurling before the first real infusion. It also gently rinses away any surface dust that naturally accumulates on pressed cakes during storage and aging.
Not Just for Pu-erh
Many oolongs and some black teas benefit from a quick rinse too, particularly tightly rolled styles that need a moment to loosen before releasing their full flavor. Delicate green and white teas generally skip this step, since their leaves need no waking up and rinsing would waste their already-subtle character.
A Small Step With a Real Purpose
The rinsed water is typically poured over cups and the tea tray itself — a practical way to warm your vessels before the tea you'll actually drink even touches the pot. Far from wasteful, the rinse is really the quiet first act of the whole brewing ritual.