Some pros send samples to a lab and others perform in-house stain tests, though the end results are similar. Mold tests present useful data regarding the type of mold in the home, the toxicity level, the number of spores present in the air and how quickly it's reproducing.

Air sampling is the most accurate method for determining exposure. While a tape lift may accurately determine if mold growth is present on a particular surface, it will not tell you whether that mold growth has actually affected the indoor air quality. Only an air sample can accomplish this.

Spray a solution of 10% fresh bleach to 90 percent water on any visible mold. Let the solution sit for 10 minutes. Rinse and allow the area to dry.

Can I clean up black mold myself? Although you can get rid of mild black mold problems yourself, we recommend leaving it to a professional because some species are toxic and cause severe health problems. You can read more about house mold types and black mold vs.