Mykoohanswered grow question 4 years ago If you donβt want to spend on commercial shit, mix one cup water, half cup of veggie oil, a teaspoon of cayenne or preferred hot pepper sauce and a tablespoon of dish soap,shake the shit out of your plants to displace as many aphids as possible first spray her down well bottoms first then tops, the soap and oil helps it stick to the leaves and remaining aphids the franks or whatever your preference is deters a return of them and also seems to deter the hatch!!