Thanks Elaine, I think we were writing at the same time.
So DE could be in the indoor air after applying it... with highly allergic persons around, I'm afraid to use it. How long does it take for it to settle on the plants?
If at first you don't succeed, call it version 1.0 Keep smiling, it makes people wonder what you've been up to. My "bunnies" are in fact Guinea pigs. 5 of them so far.