Heh, yeah unfortunately I'm unsure if it is. I kinda guessed, which retrospectively seems like bad thinking on my part. I misplaced what the paper stating what the FG was supposed to be, and I looked into vein for it or it's statement elsewhere. I just guessed via ABV calculation. I didn't know...
uh oh, I just did virtually the same thing. My ratio of water to sugar was higher though...5 oz to 2 cups.
no exploded bottles, but I'm not at the 24 hour mark yet.