Candles should be burned between one hour & a max of four hours. The reason for this is to preserve the life of your candle, make sure the vase doesn't get too hot, & to reduce the risk of any fire hazards.
No. You can physically go to Mulberry's Garment Care (Roseville &. Edina) , The DREAM Shop (North Minneapolis), & Hy-vee (Brooklyn Park). Also, check out MNBlackBox.com to find us in one of the subscription boxes.
The black smoke is called soot. Soot occurs when the candles wicks have not been trimmed at all or properly. All of our candle wicks are sent out cut at the appropriate length. What people don't know is that you have to cut your wick to 1/4 inch after (or before) each use. Cutting the wick helps to reduce the amount of soot (clean burn) & allows for your candle to burn evenly. For more information & pictures click our "Blog" tab & scroll to that article.