Diatomaceous Earth questions and help.
I have a really bad earwig problem they keep eating all my seedlings so after research i decided to buy some Diatomaceous Earth but all i could find is something called Bug Killer Dust but the ingredient is: Silicon Dioxide - Present as 100% Diatomaceous Earth....80%. Is this the right stuff? Also whats the best way to use it should i put it in a salt shaker and shake it around the base of each plant or around the entire outside of the garden or how? How thick? Just a quick shake or a thick line? Also i read both that after rain i have to reapply but i also read that the rain does not effect the powder so which would be true?