Cleaning Interior Walls of Smoke Stains
We love burning candles and settling into an evening at home. But now our walls are paying for it as they've gone from a bright white to a yellowish/gray hue. This is a problem as we love our white walls even more than our candles but we still want to enjoy our mood setting light. eHow recommends using a soot sponge as well as a cleaning solution of water and trisodium phosphate (TSP).
>How to Remove Candle Smoke from a Wall [eHow.com]
