It turns red litmus paper blue
Crossword clue · 1 known answers · 1 appearances · Last seen in the Daily Themed crossword on October 6, 2026
Latest answer · Verified
BASE
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About this clue
The clue “It turns red litmus paper blue” has appeared 1 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Daily Themed crossword on October 6, 2026, where the answer was BASE.
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