Apply bleach when covering it

This crossword clue is for the definition: Apply bleach when covering it.
it’s A 29 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Apply bleach when covering it crossword” or “Apply bleach when covering it crossword clue”. The possible answerss for Apply bleach when covering it are listed below.

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Possible Answers: WHITEN.

Last seen on: The Guardian – Cryptic Crossword No 28,239 – Sep 15 2020