cadwallion/brewscribe — pull request #5 by cadwallion (2013-03-07 22:06:00+00:00)
Title: ABV

It would be nice if there was a helper method to retrieve ABV. I'm currently doing it in code for my app, but this should be abstracted to the gem so you can call recipe.abv.

ABV = (OG-FG)*131