Description Phuck Off A potent mix of live culture (Lactobacillus) and organic silica working symbiotically to dehydrate pests and remove powdery mildew from plants. Strengthens the cell walls of the plants, allowing for strong stalks, stems, and thick, lush leaves. Usage and Directions: Spray on the affected area once off to remove 99% of the infection. Spot treat affected leaves thereafter. This can be used seven days before harvest. Phuck off can also be used once or twice a week as part of IPM.