Strong Bitter Recipe - Festival Ale 1st attempt at all grain brewing

{"RecipeId":80171,"RecipeTypeId":10,"OriginalRecipeId":null,"UnitType":"m","IbuFormula":"t","CreatedBy":120344,"Name":"Festival Ale 1st attempt at all grain brewing","Description":"Added a load of Calcium Carbonate to the mash water because I thought the PH of my tap water was about 5, but it wasn’t, it was about 8. I think this gave a slightly odd flavour which did go eventually. I was a bit disappointed with this as my first brew.\nOG 1060 FG 1015 for 5.9%. Fermented for 23 days at 18c. Diacetyl rest 19c for 2 days on day 15 to 17.\n19L in keg and 38X500ml bottles. Carbed the keg to 15psi. 1tsp sugar for each bottle. 1 week in warm place before cooling. ","ImageUrlRoot":null,"StyleId":"11C","StyleName":"Strong Bitter","BatchSize":38,"BoilSize":50,"BoilTime":70,"Efficiency":0.72,"DateCreated":"\/Date(1582072104133)\/","BrewSessionCount":0,"MostRecentBrewSession":null,"Og":1.0523699605599861,"Fg":1.0120450909287968,"Srm":10.775506814437676,"Ibu":48.391562179117408,"BgGu":0.92403281693688266,"Abv":5.2019081824234128,"Calories":174,"AverageRating":2,"TastingNoteCount":1,"Fermentables":[{"Per":"89","Amt":"9.2","Ppg":"32","L":"3","Use":"Mash","Id":"427155","IngId":"15","Name":"Maris Otter Pale - UK","CustomName":"","Rank":"2"},{"Per":"10","Amt":"1","Ppg":"32","L":"0","Use":"Mash","Id":"427156","IngId":"9381","Name":"Crystal Malt","CustomName":"","Rank":"2"},{"Per":"1","Amt":"0.15","Ppg":"32","L":"350","Use":"Mash","Id":"427157","IngId":"53","Name":"Chocolate Malt - US","CustomName":"","Rank":"3"}],"Hops":[{"Amt":"60","Type":"Leaf","Use":"Boil","Min":"70","Day":"0","AA":"6","Ibu":"22.0980088761651","Id":"451770","IngId":"301","Name":"WGV","CustomName":"","Rank":"1"},{"Amt":"60","Type":"Leaf","Use":"Boil","Min":"70","Day":"0","AA":"7","Ibu":"25.781010355526","Id":"451771","IngId":"38","Name":"Challenger ","CustomName":"","Rank":"2"},{"Amt":"40","Type":"Leaf","Use":"Boil","Min":"1","Day":"0","AA":"5","Ibu":"0.512542947426316","Id":"451772","IngId":"14","Name":"Goldings","CustomName":"","Rank":"3"}],"Yeasts":[{"Atten":"0.77","Id":"118616","IngId":"159","Name":"White Labs British Ale WLP005","CustomName":"","Rank":"1"}],"Others":[{"Amt":"15","Unit":"ml","Use":"Boil","Id":"80204","IngId":"29","Name":"Yeast Nutrient","CustomName":"","Rank":"1"},{"Amt":"0.66","Unit":"each","Use":"Boil","Id":"80205","IngId":"12358","Name":"Protofloc","CustomName":"","Rank":"2"}],"MashSteps":[{"Heat":"Direct Heat","Temp":"66","Time":"90","Id":"57243","IngId":"5481","Name":"1","CustomName":"","Rank":"1"},{"Heat":"Direct Heat","Temp":"77","Time":"10","Id":"57244","IngId":"5482","Name":"2","CustomName":"","Rank":"2"}],"Steps":[{"Id":"134215","Rank":"1","Text":"Made 3L yeast starter for this 38/L batch 26 hour before adding to wort."}]}