Mr Ganick Scale Terminator RTU Refill Pack is non-toxic, 100-percent natural pesticides. Suitable for organic farming. Acts as a contact insecticide which sticks on scale insects, covers their respiratory organs and prevents pest's gaseous exchange process. Made of cosmetic grade mineral oil which effectively prevent pests which includes mealy bug, hard scale, san jose scale, soft brown scale, white wax scale and pink wax scale. Recommended to use once every morning or late evening during cool weather.