Magics Hydrometer

Magics Hydrometer is the official standards body that measures levels of alcohol in spirits, in wizarding Britain.

The Swott Malt Whisky blend, produced by Swotts & Swotts Scotch Distilleries since 1874, was tested by Magics Hydrometer, and certified to be 18% below the standard proof for distilled drinks.

Appearances

 * Harry Potter and the Philosopher's Stone (film)
 * Harry Potter Limited Edition