The best way to tell if you have a mold problem is to inspect your house. If there is visible mold on drywall or other building materials (usually the result of a flood and/or high relative humidity levels in your home), then a professional should be called to develop a remediation plan for your house. Removing mold on drywall Mold on drywall is particularly hard to … [Read more...] about Mold On Drywall: How To Remove Mold From Wall