B.O.
Vacuum hose does work great to clear the air quickly.
To get the stragglers: Make little traps and place them near the sink. In a cup put about an half inch of apple cider vinegar, with about 2-3 drops of concentrated dish soap. The fruit flies are attracted to the apple cider vinegar, and the soap breaks the surface tension of the liquid so that they drown.
To clear out the sinks: You can get much more effective and environmentally friendly results by just boiling a pot or teakettle of water and pouring that down the drain. Plus you don't have to pay for bleach;)