Burning citronella candles indoors is not recommended, according to Life123. The scent emitted by citronella can be very difficult to remove from indoor fabrics, and the candles emit a secondary organic aerosol particulate into the air which can cause difficulty breathing and headaches.Know More
Citronella candles can be an effective mosquito repellent when used outside as directed. The span of their protection varies depending on the size of the candles being used, but two, 2-inch-wide candles can cover an area of up to 6 feet.
The oil in a citronella candle comes from several different species of the lemongrass plant. These plants are native to Asia and India, and their oil is common in soaps, candles and perfumes. Citronella can even be used to flavor some foods.Learn more about Pest Control
As described by General Wax, candles burn through a cyclic process by which the flame melts the wax, which is drawn up the wick into the flame where the wax vaporizes and ignites, producing heat which in turn melts more wax, repeating the cycle of combustion. The process will continue until the flame is deprived of fuel or air.Full Answer >
Some candles burn faster than others because of the melting point of the wax used to make them. Soy candles burn faster than paraffin candles. Beeswax candles burn the slowest.Full Answer >
There is no evidence that color affects a candle's burn rate. Michael Faraday spent years studying the dynamics of candle flames. His treatise "The Chemical History of a Candle" outlines how certain characteristics affect a candle's burn rate, but his neglect to mention color suggests that it has no effect.Full Answer >
Unscented and scented candles both burn for an equal amount of time. As long as the scented candle is made properly, the only difference between how the candles burn is the fragrance released.Full Answer >