【How-to】How to clean white mold

Generally, if we are talking about a smell in your basement, it isn’t a pretty one. What you smell may be mold, mildew, cat urine (or feces), deceased mice, or sewer gas. … Even if you install a sump pump, it might not be enough to combat mold. You could also have blockages in plumbing, drains, vents, or HVAC systems.