22 IBU's (108 IBU's (60 min boil) x 20% Mash Hop utilization = 22 IBU's). Mash hopping gives a smooth bitterness and brings out more hop flavor and aroma.
{"RecipeId":18418,"RecipeTypeId":10,"OriginalRecipeId":8268,"UnitType":"s","IbuFormula":"t","CreatedBy":101370,"Name":"X-Brew MASH Hop 2","Description":"22 IBU\u0027s (108 IBU\u0027s (60 min boil) x 20% Mash Hop utilization = 22 IBU\u0027s). Mash hopping gives a smooth bitterness and brings out more hop flavor and aroma.","ImageUrlRoot":null,"StyleId":"18B","StyleName":"American Pale Ale","BatchSize":5.75,"BoilSize":6.75,"BoilTime":60,"Efficiency":0.8,"DateCreated":"\/Date(1452815072960)\/","BrewSessionCount":0,"MostRecentBrewSession":null,"Og":1.0459826086956521,"Fg":1.0091965217391303,"Srm":8.39974199010252,"Ibu":0,"BgGu":0,"Abv":4.7454052173913048,"Calories":151,"AverageRating":0,"TastingNoteCount":0,"Fermentables":[{"Per":"97","Amt":"8.5","Ppg":"38","L":"3","Use":"Mash","Id":"86916","IngId":"15","Name":"Maris Otter Pale - UK","CustomName":"","Rank":"1"},{"Per":"3","Amt":"0.25","Ppg":"30","L":"180","Use":"Mash","Id":"86917","IngId":"161","Name":"Special B - BE","CustomName":"","Rank":"2"}],"Hops":[{"Amt":"1","Type":"Pellet","Use":"Mash","Min":"60","Day":"0","AA":"13","Ibu":"0","Id":"85991","IngId":"6","Name":"Chinook","CustomName":"","Rank":"1"},{"Amt":"1","Type":"Pellet","Use":"Mash","Min":"60","Day":"0","AA":"12","Ibu":"0","Id":"85992","IngId":"7","Name":"Citra ","CustomName":"","Rank":"2"},{"Amt":"1","Type":"Pellet","Use":"Mash","Min":"60","Day":"0","AA":"5.8","Ibu":"0","Id":"85993","IngId":"3","Name":"Cascade","CustomName":"","Rank":"3"}],"Yeasts":[{"Atten":"0.8","Id":"24910","IngId":"128","Name":"Danstar Nottingham","CustomName":"","Rank":"1"}],"Others":[{"Amt":"1","Unit":"tsp","Use":"Mash","Id":"16553","IngId":"6","Name":"Cinnamon","CustomName":"","Rank":"1"}],"MashSteps":[{"Heat":"Infusion","Temp":"150","Time":"60","Id":"10478","IngId":"168","Name":"BIAB","CustomName":"","Rank":"1"}],"Steps":[{"Id":"27882","Rank":"1","Text":"Add hops to strike water"}]}