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Peel the red onions and cut them into thick rings or slices, about 1–2 cm wide.
Place Around the House:
Distribute the onion slices in small bowls or shallow dishes. Place them strategically in rooms prone to dust accumulation, such as bedrooms, living rooms, and near air vents.
Refresh Regularly:
Replace the onion slices every 2 to 3 days to maintain their potency and continue repelling dust mites effectively.
Enhance Air Circulation:
For best results, keep windows slightly open or use fans to help disperse the onion’s natural compounds through the air.
Serving and storage tips:
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