How do I solve 16 down in Express Cryptic 20260520?

Question

Accepted Answer

16 down reads "Diffused using a red spout" (9 letters); the answer is OUTSPREAD. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Diffused using a red spout (9)

16D — Diffused using a red spout (9) — OUTSPREAD