Hey everyone. I use iBrewmaster to calculate my strike temperatures. I've noticed, though, that for some recipes, the strike temp is perfect and I hit all my numbers with ease. Other times, however, the strike temp proves to be woefully off base. I can't conceive why this might be since it's the same program each time with the same equipment profile that accounts for temperature loss in my system. Anyone else have this issue? If so, how have you overcome it?
Yesterday was one of those times that it was really off. I was making the Union Jack IPA, which has a Sacc rest at 145. I had 20 lbs of grain and I use a cooler. Program told me to strike at 161. Seemed reasonable. Not so much. I blew by my target mash in.