Guys, I got a GEME composter 2 months ago. Today when I tried to empty it, I saw some large pieces still visible in there. But they're newly added, so I don't expect that they should be fully decomposed in such a short period of time. I sifted the large pieces, and I got a bucket of dark, crumbly material. How do I know if this material is finished compost? Or is it finished compost mixed with the newly added, half-broken-down scraps? Do you guys ever use this composter? How do you use the output for your plants?