FW - 22
SW/FO - 47 (I took a few years off 8) )
I did set up a SW tank for a Drs. office where my wife worked about 12 years ago. She doesn't work there any more but they still have the tank.
I started reefkeeping in December 1999, so that'd be about 2.5 years ago...which would make me 29 when I started. However, I did have freshwater tanks back when I was 10 or so...