Related Clues:

• Olfactory perception
• A strong one may be found in a gym
• Strong scent
• Limburger feature
• Dump output
• Awful smell
• Aquarium problem
• Sometimes this really stinks
• Pond life
• Potpourri's output
• Pond growth
• Spray target
• It's in the air
• Skunk giveaway
• Radon's lack