I've been buying DE online, but it's pretty dang expensive and shipping charges make it more so.
I just realized that our local builders supply sells DE.
The bag says: Perma-Guard, Food Chemical CODEX grade.
That's the right kind of DE, isn't it?
I just realized that our local builders supply sells DE.
The bag says: Perma-Guard, Food Chemical CODEX grade.
That's the right kind of DE, isn't it?