Answer:

mildew

Answer	Crossword Clue
MILDEW	Moisture problem
MILDEW	Shower problem
MILDEW	Shower wall growth

MILDEW	Fungus growth
MILDEW	Sign of dampness
MILDEW	Homemaker's bane
MILDEW	Leather ruiner
MILDEW	Humidity problem
MILDEW	Cellar's fungus growth
MILDEW	Bathroom buildup
MILDEW	Fungoid mold.

MILDEW	Spoilage fungus.
MILDEW	Vegetable discoloration.
MILDEW	Storage hazard.
MILDEW	Fungus resulting from dampness.
MILDEW	Kind of fungus.
MILDEW	Fungus growth.
MILDEW	Discoloration caused by fungus.
MILDEW	Mold.

MILDEW	Fungus.
MILDEW	Fungous growth.
MILDEW	Damp-weather problem
MILDEW	Damp-closet problem
MILDEW	Plant growth caused by fungi
MILDEW	Common fungus
MILDEW	Plant disease
MILDEW	Cellar growth

MILDEW	Bathroom problem
MILDEW	Basement problem
MILDEW	Storage problem
MILDEW	Start to smell, in a way
MILDEW	Tilex target
MILDEW	Mold caused by moisture
MILDEW	Bathroom-tile problem
MILDEW	Problem caused by moisture

MILDEW	Problem in the shower, perhaps
MILDEW	Fungi caused by moisture
MILDEW	Shower scourge
MILDEW	Fungus
MILDEW	Damp-cellar growth