So yesterday I kicked off a Wilko stout with;
520g Jaggery, 880g golden syrup, 420g treacle.
So 1820g added fermentables plus 1.5kg kit makes for 3320g fermentables. I brewed to 23l and got an SG of 1.045. This was lower than the calculator suggested - is this a result of the Jaggery, the...