Assuming a 5 gal. batch, 1.064 is a bit low based on your grain bill, BUT WILL STILL BE GOOD. With well crushed grain, I would have reached ~1.077 using this method, which is mashing with 1.25 qts. per lb. of grain @ 155*F (stir well) and batch sparging with 2 qts. per lb. of grain @ 170*F (stir...