Gunk in an aquarium WSJ Crossword Clue

By Date: MAY 4, 2026 Follow on Google

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Frequently Asked Questions About This Clue

The most common and recent 5-letter answer for "Gunk in an aquarium" is ALGAE.
The clue refers to a common substance found in aquariums that can build up and appear as a slimy or greenish substance. 'Gunk' suggests something unwanted or undesirable, which is often how algae is perceived when it grows excessively in aquariums.
This clue was last seen in the WSJ Crossword on April 27, 2026.
Algae are simple non-flowering plants of a large group that includes the seaweeds and many single-celled forms.
Bottom of the aquatic food chain, Pond problem, Green gunk in a fish tank, growth in the fish tank, Aquarium nuisance

The clue “Gunk in an aquarium” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated April 27 2026, the definitive 5-letter answer is: ALGAE.

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