> "some reliable way to examine the grain size" I don't own one myself but have seen the Kruve Brewler used, a metal ruler-like device with calibrated meshes d

> "some reliable way to examine the grain size" I don't own one myself but have seen the Kruve Brewler used, a metal ruler-like device with calibrated meshes drilled into it of varying sizes. They also make the Kruve Sifter, a calibrated sifter set, but that is considerably more expensive.