G'day guys, I brewed an AG NEIPA over the weekend. The calculated numbers showed an estimated OG of 1.066 using the following grain bill (21L recipe): 2.5kg 2 Row 2kg Golden Promise 570g Carapils 340g Aromatic I'm using a Robobrew and my first gravity reading (after mash out) was 1.068. I used 21L of water for the mash in, then 12L for the sparge. My reading after the sparge was 1.048. After a 1 hour boil, it climbed up to 1.052. This is the first time my numbers have dropped so dramatically after a sparge. A few questions: Have I missed my numbers terribly, or have I just used too much water for the sparge and diluted the wort too much? Does the temperature of the sparge water make much difference (mine was at 68C)? What would you have done differently to come in closer to an OG of 1.066? Thanks in advance.