Water source with low temperature, intended as a good thing (4-5)
I believe the answer is:
well-meant
'intended as a good thing' is the definition.
I can't tell whether this defines the answer.
'water source with low temperature' is the wordplay.
'water source' becomes 'well' (I've seen this in another clue).
'with' says to put letters next to each other.
'low' becomes 'mean' (both can mean nasty).
'temperature' becomes 't' (abbreviation).
'well'+'mean'+'t'='WELL-MEANT'
Can you help me to learn more?
(Other definitions for well-meant that I've seen before include "Kind" , "Done with good intentions but poor result" .)