Not a question but just something I learned today, seems obvious, thought I'd post anyways as a reminder for the sometimes sloppy homebrewer like myself. Taking a FG reading with a hydrometer and got a sample full of gunky yeast and hop residue. It was a 1.028. I thought I could make do with this sample for a reading, but when I took a clean sample from the clearer beer I got 1.017. Just saying.