Lessons (re)learned yesterday...
Thinking about it, I know 3 factors to my super low efficiency of 40% yesterday. 1) Did not sparge BIAB. I know people say they don't and get good eff but every time I don't it drops a good amount. And I squeeze. 2) ALWAYS check the pH. I didn't, so now I'm not sure it was low enough. All I had was 2 row and crystal 120. Dunno if the crystal would lower the pH enough. 3) make sure the bag for BIAB is at least as wide as the pot OR at least use a higher water/grain ratio. I added 20 qts to 15 lbs (1.3) which normally would be fine, but my bag was really just too small for that amount of grain in that large of a pot. Next week for my belgian dubbel I'm going to do 2 half amount mashes and sparge it. Doing the half batches will let me use my smaller pots and also save a bit on propane.
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