My last two brews have left me scratching my head. The only thing I've changed is my water source. By the numbers, my last two brews were at 62% and 55% brewhouse efficiency. Would changing my water lead to this? I used to start with USP water and build from nothing. Currently using the city's water report as my base. Milled the last batch of grain myself and the crush was a little finer than usual, but I BIAB so that shouldn't be an issue. On a related note, the last beer was a belgian strong dark ale, and I'm contemplating bumping the sugar addition at high krausen from 1 pound to 3 pounds. Each pound is roughly (changes with addition) 5% of the bill. At 3 pounds it's 15.8% of the bill. Does anyone have experience using this much sugar in a belgian quad?