If you have musty books, sprinkle talcum powder between pages, wrap the book in brown paper and store for several days. Remove and brush out powder.
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Locate which plank is squeaking and sprinkle some talcum powder in the cracks. Let it sit for a while so the talcum powder can work itself between the cracks.
To prevent refrigerator or freezer seals from sticking and cracking, wipe the seals with talcum powder on a rag every 12 months. This will also saves money on replacement.
This is a page about using talcum powder to deter ants. Ants will avoid walking through this soft mineral powder.