I used pro finish 5000 to pour my top. The top measures 22x50 by the thickness of the 2 inch side of a 2x4. It took almost two sacks.
Mixing! We used an HLS tub, but next time will just use a 5 gallon bucket. One note use a thick walled bucket, not a thin walled one.
Filling the frame. I think looking back the cement should have been slightly wetter.
We used this old sander to vibrate the board to help get the air bubbles out.