Brett Hetherington writes:

> Your best bet would probably be the small fridge, although you'll want
> to immerse the coil in a bucket of water, since the cold air in the
> fridge does not contain enough mass to cool much more than the first
> few squirts.

Nope. Flash chilling requires a reservoir of phase-change heat sink:
melting ice, boiling refrigerant. Thermal mass (heat exchanger in contact
with air or water) will not flash chill.