pyrethrum tr

I used a pyrethrum tr fogger 2 days ago and i have read that a follow up second fogger is usually needed. However, I need some input of how many days to wait before using the second fogger. Can anyone help?

I purchased Pyrethrum TR and will be using it tonight at lights off to kill a thrips infestation. I also read somewhere that it is recommended to use Beethoven TR for larvae. However, I can't find any information on whether or not Beethoven is ok to use on cannabis plants. Does anyone have...