While it was raining here I found this site on aphids. While reading look for the words. To minimize aphids from spreading disease you must spray on a <<DAILY BASIS>> including your <<))WEEDS ((>> Aphid daily control http://www2.ag.ohio-state.edu/~ohioline/hyg-fact/3000/3109.html Scott, If you don't want Popeye arms, Chapin sprayers makes a unit that you can use compressed air in a small sprayer. chapin mfg E-mail Address www.info@chapinmfg.com Byron