Across
File case of overemotional guff (8)
Pigment good in water (5)
See 24
New variation, including a hundred old pieces (10)
Fat queen in store … (6)
… very different partner in philosophy? (8)
Metal once found in bottom of fruit? (7)
See 25
Laxative one girl fed to another (8)
3d
One banked on needing loco — did one? (6,6)
Serving as correction, speed of light accelerating (10)
10a
Kick people out, event usually for children (4,4)
17a
Conclusion can't be reached — sigh! (2,3,2,5)
Piano piece, both grand and upright, thrashed out (3,5)
Down
Only items of quality, every one for my pleasure (3,2,3)
Covered by maid, ledge gathering dust (4)
See 22 across
Humour, vacuous amusement in setting (7)
Baltic Sea? No, it turns north (8)
A little sign left in vault (10)
Preacher's ecclesiastic weapon (6)
Finished nursing little girl, cut (10)
Dizzy playing tunes on jazzy day (8)
Running water options on craft, type of carrier (8)
Teacher in a flap upended coffee-maker (7)
How formula for poison is written in capital city (6)
Little predatory bird, swallow biting leg off (6)
Reportedly plant weed somewhere in London (4)
Type letters or click words in the clue