Article Index How To Deliver Perfect Ambience! Traditional Wax Candles Tea lights Oil candles Refillable glass oil candles. Candle deployment About The Author All Pages Page 4 of 7 Oil candles come in two forms – the refillable type, or the disposable pre-filled plastic type. Firstly, pre-filled fuel cells. These are the most convenient of all candles, can be easily moved around, and have a nice consistent burn, but as with anything, there are drawbacks. The fuel cells are ugly and plastic so have to be covered by an opaque or semi translucent shade. They are more expensive to run than t-lights or refillable oil candles (up to twice as expensive). To use all the fuel in the container, they have to run out during service. Sometimes the wicks fall into the container and cannot be retrieved so the whole fuel container is wasted. There is a lot of wastage – the plastic container and metal wick structure are thrown away every time Prev Next