How effective are Citronella candles and smoking coils?
Citronella candles and smoking coils repel mosquitoes, but you must stay in the smoky plume to be protected. The smoking Citronella coils contain pesticides. Dr. Robert Novak of the University of Illinois tested these products and reported that when smoke from a coil covered a human test subject’s shin, the mosquitoes flew around the subject’s leg and bit them on the calf.
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- How effective are Citronella candles and smoking coils?
