Struggling with unsightly mold, algae, lichen, and mildew? Bartoline Fungicidal Wash Spray tackles them all! This powerful formula kills existing growth and inhibits its return for up to 6 months. Use it both indoors and outdoors on various surfaces like brick, stone, wood, and plaster. The convenient trigger spray makes application easy, leaving your home sparkling clean and fresh. Breathe easy knowing Bartoline's fungicidal power is working for you!