If you put that much down where it was dusty, yes - it's not only too much, it can cause respiratory problems. Just scoop that dirt up and remove it - well spread it out more around the yard.
We all have to remember that birds are particularly sensitive to dusts and particulates in the air. DE is safe - only when you use little enough to where they (and you) won't be breathing it in. That's the way it should be labeled to use.
If used in those considerations, it's safe if human grade. You just have to be careful.
I'm sorry you had a rough first experience with it. It's really nice stuff.
We all have to remember that birds are particularly sensitive to dusts and particulates in the air. DE is safe - only when you use little enough to where they (and you) won't be breathing it in. That's the way it should be labeled to use.
If used in those considerations, it's safe if human grade. You just have to be careful.
