Go round collecting hot tubs (5)
I believe the answer is:
baths
'tubs' is the definition.
('bath' can be a synonym of 'tub')
'go round collecting hot' is the wordplay.
'go' becomes 'stab' (both can mean an attempt).
'round' says the letters should be written in reverse.
'collecting' indicates putting letters inside.
'hot' becomes 'h' (abbreviation eg on taps).
'stab' in reverse letter order is 'bats'.
'bats' placed around 'h' is 'BATHS'.
(Other definitions for baths that I've seen before include "Public swimming pool - ablutions" , "Large tubs" , "an answer to all clues, initially" , "recreation centre" , "water-containers" .)