Permanently getting rid of mold spores requires eliminating moisture problems and removing contaminated materials. Start by repairing leaks, improving drainage, and controlling humidity to stay between thirty and fifty percent. Clean hard surfaces with mold-killing solutions, and replace porous items like moldy drywall, insulation, or carpeting. Use HEPA vacuums and air purifiers to capture lingering spores. Improve ventilation with fans and dehumidifiers, particularly in bathrooms, basements, and kitchens. Regular inspections, proper airflow, and moisture prevention habits help keep mold from returning. Mold cannot thrive without moisture, so consistent humidity control is the most important long-term solution.