I am a chemist. What I really like to do is to figure out the smallest, most effective dose of any chemical, be it water with a drop of soap, or, if forced, look at applying a more "targeted" weapon to achieve my objective. Since my greenhouse has a resident toad, several anoles, some geckos and a host of spiders (among others), I really hesitate to walk in there "armed" with much more than my eyes and my soapy water....or some neem oil if someone's needin' a breathin' treatment. I think as a responsible steward, I have to keep in mind the impact of my actions on my surroundings ...including the use of fertilizers. Being thoughtful and training myself to a "less is better" mindset has been really effective for my collection, thus far. I just can't put the toad or his crew at risk...they live in there. And, toad eats the roaches....I really hate them!!
Anyhoo, I'm gettin off the box, now!