Yeahhhhhh see how I go. I know Beersmith has what I'm after but CBF switching programs. All good!!!

Hi Guys. I "no chill" and often mash a 30L batch and then split it into two 15L cubes. They're similar to a fresh wort kit. When chilled to a suitable fermentation temp I tip one cube into the fermenter and top it up with about 5L to total about 20L of Wort. As for the other 15L cube I either...