This 7 day candle is burned to reverse evil. The the black is burned to get rid of evil influences and bad vibes and then the red to draw positive vibrations into the home or business. 
This candle and others like it are used for love, sex, and energy problems. Write your intention on parchment paper and place it beneath the candle. Light the candle and let it burn until it is gone, or for one hour each day, whichever method is most convenient.