 Now, lastly, the other way you can do this is you can burn out the stump. This works best on older or drier stumps. It's basically potentially dangerous, so you need to know what you're doing. But it generally involves pre-treating the stump with a flounder liquid and then starting a small fire on top of the stump. We've got the step-by-step tips on how to do that on moneypit.com. But again, you've got to be very, very careful when you tackle that project. William in North Carolina is on the line with a mold question. What can we do for you today? Mold and mildew. How do you eradicate it and