Related Clues:
- The growth of the gala
- The sort of gala one might have in 13 across
- Swimming pool concern
- Aquatic flora
- Stagnant-water buildup
- Seaweed, e.g
- Mussel morsel
- Aquatic eukaryote
- Unwanted swimming pool bit
- Simple aquatic organisms
- Bloom makeup
- Aquarium gunk
- Unwanted aquarium collection
- Sea lettuce, e.g
- Seaweed included in botanical garden