Homemade Dust Mite Spray
- 1). Combine 3-percent tannic acid with 2 cups warm water in a spray bottle. Tannic acid powder can be purchased at many health food stores, pet stores, hardware stores or some grocery stores.
- 2). Mix the spray well.
- 3). Spray the mixture over carpet, furniture and bare mattresses and allow it to dry completely before covering with sheets or other fabric items.
- 4). Repeat weekly.
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