I was wondering if anyone had any thoughts on how the water/grist ratio affects mash efficiency, and what the ideal ratio is. I've done mashes at 1qt/pound, and 1.25 qts per pound and found the mash extraction efficiency was higher at 1.25. Yesterday I did a mash with about 1.4 qts/pound, and my efficiency was off by about 10%. I've always used Maris Otter malt for my base malt; this time I wanted to branch out and used Weyerman's Pilsner malt. pH was at 5.2, which is about what it is always. Mash temp in the 150-155 as usual as well. Any ideas??