Harry Potter: "Ron, what's Seamus trying to do to that glass of water?"
Ron Weasley: "Turn it to rum. Actually managed a weak tea yesterday, before--"
Seamus Finnigan's attempt at turning water into rum[src]

Eye of rabbit, harp string hum, turn this water into rum is a transfiguration spell that, purportedly, could turn water into rum.[1]

Known uses

Seamus Finnigan tried to cast it in 1991, and in his first attempt, he managed to make a "weak tea," before causing an explosion. The next day, he tried again several times, but only caused another explosion, creating smoke and blackening his face.[1]

Behind the scenes

  • It is unknown if this is a real spell or not, or simply a case of bangs-and-smells magic, although given that Seamus could turn the water into a weak tea, it is possible that it is, although he could not perform it correctly.


Notes and references