Click to expand Tap to zoom Insect Killing Soap - 16 fl oz Login to view price. SKU ACC_INSECT.SOAP Kill soft bodied insects like aphids, mites, and more on contact. Active Ingredients: Potassium salts of fatty acids Makes up to 6 gallons of solution. Covers up to 1,600 sq ft (16oz bottle). OMRI Listed® and compliant for use in organic gardening. Can be used up until the day of harvest.