Diatomaceous Earth as a seed starting medium

[Rockporter]

Originally Posted by RayR

I had a bag of Napa Floor Dry earlier in the year. It is a product of EP Minerals. I remember testing it for PH, it was more alkaline than the Moltan products, I believe it was more around 8.0, can't remember exactly, I didn't write it down. I didn't try it for seed starting but I did use it as an amendment in the garden.

Oh, should I take it back and get some from Autozone instead, or the Dollar Tree if they have it?

I can always use the bag I bought in my garden too. Do you just add it to the soil or use it on top after planting?