i have a recipe all set-up in beersmith. it happens to be my first AG. i'll be mashing in a 5gal converted cooler, and boiling in a 15gal kettle. however, the equiptment i had put into the software was just a 5 gal kettle for boiling, which gave me a 4.08gal boil volume. when i entered the proper equiptment in recipe view and changed the batch size back to 5 gallons the boil volume jumped to 6.82 and the IBUs for the recipe jumped from 56.4 to 71.5!?!? i also noticed that if i changed the kettle size, the boil volume changed with it. im going to have a pretty large volume mash with my 12lbs of grain and i expect to need a boil volume of 6.25 - 6.5 gallons. can anyone explain why the IBUs go up with boil volume? is this a software fluke or does this really happen in a boil? should i set my expected boil volume and then adjust my hopping schedule so i get the IBUs im looking for. im really confused here!
thanks for the help!
thanks for the help!