Cryptic crossword No 4,038

Across

1. Gooiest stone most disgusting (9)
2. Alphabetically pools snakes in a circle (5)
3. Do I get vows told to me? (8)
4. Makes choice when wanting leader? (6)
5. "Dad, go!" (3)
6. Components twist inside case (8)
7. Pulps from citrus essentially booster shot's first ingredient (6)
8. Deeming CIA careers well-liked on TV (10)
9. Prominent figure is one leading small change (4)
10. Wandering dog heartlessly gets rest (4)
11. Extract of ecstasy (Na), go guess the properties some believe in (10)
12. May as well if oddly finding the author (6)
13. Fight back tears with constant leaking - concerning (8)
14. Finally renovate auditorium as units for printing (3)
15. Mad people short in height (6)
16. He doesn't talk in company gathering, English worker presented for now (8)
17. Attendant half-heartedly made Adam's ale (5)
18. To the greatest extent, inside popular retreats, space with vacated room given large entrance to terrace (9)

Down

1. Taking off lid, boil stew in this (3)
2. Bluntly true reviews expressed in a rough way (11)
3. Place where social programmes are corrupted, reconnect it with terminal from savvy mum (9,6)
4. Giving unwrapped thin wrapping paper during opening of gift (7)
5. Walks over branch in tree unconnected to the rest (7)
6. Server's manager stereotyping pieces of meat as somewhat fishy (9,6)
7. Infected non-believer with concepts originally not there (6)
8. World War I and World War II, say, veteran led to upset captain leaving America (6,5)
9. Sound what gets sirens and flares, even lights (yellow), going (6)
10. They'll report partners embracing partners, I start to neck (7)
11. Refuse fishnet pantyhose at last (7)
12. Days are over (3)