It is surprisingly easy to get a good looking countertop. I tried two different methods. First one is often called an exotic pour or dirty pour to look more like granite and the second is adding streaks or veins like marble.

Music:
"Street Party" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/b...

Epoxy:
   / @stonecoatcountertops