Additional malt and grain flavours to add to a stout kit. Add this one to a stout kit, plus 500g of extra malt and 500g corn syrup. Make this brew up to 18 litres only.Recipe suggestion : Classic Irish stout - Make a Blackrock Stout kit with a #74 enhancer, 500g dark malt powder and 500g corn syrup. Make up to 18 litres only.