I got some from brineshrimpdirect a couple weeks ago (the same place I used to get it) and it looks like they changed it a little. Instead of a powder, it is little granules now. Good for feeding tads, but not for dusting. What I did was put it in a blender and collected the powder off the under side of the lid. I haven't used Naturose for awhile but started up again and I can already tell a big difference in my reginas in just the couple weeks they have had it.