Quote Originally Posted by chiefwebb View Post
I like to mix up a strong soap solution in a small bucket and then douse the nest quickly. The soap immediately suffocates the wasps and they fall from the nest and die. Works as good as gasoline without staining the siding etc...
That's the one I've used many times. But it takes next to no soap. A few drops of dish detergent in a spray bottle can take out an entire nest.