Serenade Optimum (10 Lb)$27.25 SKU: 50CFun-83055 Categories: Fungicide, Organic Fungicide MANUFACTURERBayerSIZE10 LbARRANGEMENT4 / CaseSOLDIndividually SERENADE® OPTIMUM is a broad spectrum, preventative product for the control or suppression of many important plant diseases. SDS Sheet Label