My equipment:
I have a 15gal Keggle boil kettle (5500watt heating element - I usually run the boil at 65% pwm) with a chugger pump, whirlpool arm, and a 30 plate wort chiller.
My Problem:
According to BeerSmith I was supposed to have 8.5gal pre boil volume at 1.040 pre boil SG. I...