Proper Job Clone All-Grain Beer KitProper Job Clone Style Batch Size ABV OG FG IBU IPA 20L 4. 5% 1. 045 1. 010 47 In Cornwall we often get the cask (hand pulled) version of this beer in the many St Austell owned pubs around the county. At 4. 5% it's more sessionable and is less bitter than the bottled or canned version. Its certainly one of our favourites. You can try to harvest the yeast from the bottles (as the commercially made version is bottle conditioned). Grain Bill (3. 9kg