Do you work in the water damage, restoration industry?
Mold growth on walls and ceilings is a sure sign of high humidity, condensation and/or a water leak hidden somewhere within the ceiling, walls, or finished flooring. PREXISO Moisture Meter, Stainless Steel Prongs, LCD Screen, Auto Mold spores are very unhealthy to ingest and inhale, so if your walls have taken in moisture of any amount from a recent water leak, you’ll want to verify which areas of the affected drywall should be replaced before it starts to mold.