SNS DC - Disease & Fungal Control Ready to Use - 5 GAL / 20 LSierra Natural Science DC covers the microbial cell wall with preservatives and inhibitors that prevent fungus, bacteria, and molds from decomposing the plant cell wall. Use to kill and control black mold, leaf rust, powdery mildew, blight, bacterial blast, and other plant fungal diseases. FEATURES: OMRI Listed, Organic, and EPA Exempt Child and pet safe Kills and controls black mold, leaf rust, powdery mildew, blight, bacterial blast, and other plant