Used it as a foliar for the first time last week, mixed dunks in with my 1% citric acid PM treatment. It definitely didn’t bother the ladybugs, or affect the mildew treatment. I like that stuff for how harmless it is, and fairly cheap too. Wondering if it affects mites or aphids and their babies, or is it just nematodes?The BTi is your best weapon Amy. DE in the soil really doesn’t deter them at all, it’s been a component of my soil for years and I still get the little buggers. And as a top dress, as mentioned, once wet, doesn’t affect them any more.
I had a severe bout of gnats and thrips last indoor grow, my own fault, I flooded the tent. To combat and rid myself of them, I used BTi as both foliar spray and soil drench and also used nematodes. It took one treatment of nematodes and daily BTi treatments for about 10 days to rid my grow of the buggers, but they were thick.