Admiral bitter style recipe kit

A recipe pack containing all the ingredients to make an  all grain version of Admiral Bitter This Recipe is from Mike Gibbs Recipe Specs ---------------- Batch Size (L):           23.0 Total Grain (kg):         4.5 Total Hops (g):           80g Original Gravity (OG):    1.046 Final Gravity (FG):       1.013 Alcohol by Volume (ABV):  4.3 % Colour (SRM):              (EBC): 28 Bitterness (IBU):         93 (Beer engine) Brewhouse Efficiency (%): 75 Boil Time (Minutes):      90 Grain Bill ---------------- 4kg Maris Otter Malt (88.9%) 500g Crystal Malt (11.1%)   Hop Bill ---------------- 50g Admiral  Leaf  @ 90 Minutes (Boil) (0.7 g/L) 20g Admiral Leaf  @ 10Minutes (Boil) (1.1 g/L)   add Protofloc tablet at same time 10g Admiral Leaf  @ 0 Minutes (Aroma) (0.9 g/L)   Method Mash at 66 C in 15 ltrs for 110minutes Sparge for 40minutes with 20ltrs Fermented at 20C with Safale S04 yeast