i'd try putting it in the water if i were you.
long time no see.
i was circling a blocked drain the other day and could swear i saw a bit of polyjuice potion. not being a bad boy again are you harry?
well. that's what he did. the other boy, the handsome one. cedric.
well go on, open it.
ahhh, very good. took cedric ages to riddle it out. almost all the bubbles were gone.