Good evening gentlemen. If anyone is feeling geeky and wants to read this and give some feedback, I'd be grateful. I've made some extract with grains brews that have pleased me greatly, but only 1 batch all grain previously, and I had a tutor for the mash/sparge, so I didn't really "do" the hard part. Today I went solo and here is what I did aiming for a DIPA with a post boil OG of 1.080 or so: Mash 15# 2 row 1# munich .85# crystal 60 .5# carapils (1# of cane sugar to the boil) I was aiming for about 152 degrees, and a 1.3 quarts per # of grain. I ended up putting 3 more cups of cold water in as I topped off the mash because it was warmer than I wanted. I had 3 thermometers that would not agree, so I don't know for sure what the mash temp was, but I'm guessing that I started (after the cold water was added) around 153 and ended about 151. It varied within the cooler and depending on which thermometer I used. Kinda pisses me off a bit about the thermometers, as all were new and bought from homebrew supply stores. But I digress... It was about 1.25 hours into the mash before I had my sparge water at the right temp. After clarifying, it took right at an hour to collect about 7.5 gallons, rinsing with 170 degree water. I kept about an inch of water on top of the grain bed. I put a couple of quarts of boiling water onto the grain before I started the sparge, to help get the grain bed a bit warmer (on advice of my local commercial brewer). I got a 1.060 pre-boil gravity at about 60 degrees. Bittering hops @60: 2oz columbus, 1 oz calypso, .5oz centennial flavor hops @ 20 1oz calyspo, 1 oz citra, .5 oz centennial finishing @5 3oz citra, 1oz centennial, 1 oz calypso I will dry hop it generously with some combo of citra and others I forgot the irish moss but don't know that it matters much? I was stoked to get a 1.080 post boil gravity, and I collected upwards of 6 gallons in the fermenter. I pitched 2 packs of US-05. When I got the high gravity I was aiming for, I thought I did really well on the mash/sparge. But I plugged the ingredients into a calculator and it said my efficiency was 71%. I guess that isn't really bad, but not awesome either? Any input? Thanks in advance.