I made a beer over a month ago. Rather than taking 3-5 days to ferment, it took over 20. After fermentation finished, I took a gravity reading and it fell from 1.040(ish) to 1.010(ish)... Primed, bottled, and gave it a good 2 weeks to carbonate. Opened the first one, and the hiss was much shorter and when I poured it, it was almost uncarbonated.
I don't understand this, because the smack-pack was fully swollen when I pitched it.
Could I have aerated poorly or not at all?