I've done 5-6 batches with Brewer's Friend with excellent success. HOWEVER: I have a recipe. I brewed it yesterday but I kinda botched it as doofus didn't see that it required a 90 minute boil! I "fixed" it with a corn sugar addition just to get the ABV in the final wort close to that of the...

Hello everyone, I am new to Brewer's Friend and I am trying to figure out the recipe editor. One thing that I could not understand was what was the "Calc" button doing, concerning the Boil Volume. I was editing my Partial Mash recipe and each time I was pressing the button, the volumes got...