I've been trying to make my beersmith equipment profile more accurate but I always seem to either come up a bit short or over regarding volume after the boil. It tends to be out by a few liters either side. Does anyone know a good value that works well for the boil off rate for these or already has ...

Hi,

My name is Dave from Ireland and I've been brewing for about 9 months so I have a few BIAB batches under my belt :D Thanks for putting together such a great resource.