paul wheaton wrote:A series of recent bits and bobs compelled my to write an article about diatomaceous earth.
Did I leave anything out?
Thanks for that info - it's very useful.
You say: "Don't mess with the pool grade stuff. Food grade diatomaceous earth will contain less than 1% crystalline silica."
If food grade DE has 1% crystalline silica, what is the remaining 99% of the content? Other minerals? Which ones?
