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Onion slices should be replaced every 1–2 days.
Store unused onion juice in a sealed jar in the fridge for up to 3 days.
Do not leave rotting onions out—this could attract other pests.
Variations:
Add garlic to onion spray for a more potent mix.
Combine onion and lemon juice to repel mosquitoes more effectively.
Use onion peels as compost around garden plants to deter insects naturally.
FAQ:
Q: Are onions safe to use around pets?
A: No. Onions are toxic to dogs and cats. Keep all onion-based repellents out of their reach.
Q: How long does it take for onion repellents to work?
A: Some pests may avoid the area within a few hours, while others may take a few days of repeated exposure.
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