1: Shake three times with essence of magnesia (7)
5: Driver who's disappeared in conflict (7)
9: Regains no recollection from thinking (9)
11: Good Republican source of life-giving system for short-handed office workers (5)
12: Quickly assemble dry pail (7)
13: German painter in a southern state (5)
16: State control for Romanians (3,6)
18: Completely drenched, laid umbrella tip gauge down (9)
21: Freeze one mug filled with tea, essentially (3,2)
22: Many sound prospects for prospectors (5)
23: Dinner trousers get sodden at drinks. (4)
24: Rings for the groups (5)
27: Inauguration of Pennsylvania resident who occupies 1600 Pennsylvania Ave (9)
29: Cavities from wrong practices (7)