I have just finished my second BIAB brewing.
My pot is a 13.2 gallon steel pot, 15.74"-15,74" in dimensions.
My 1st batch (3.5 gallon planed, achieved too) started off with 6.6 gallons of water and I ended up with 3.4 gallons in the fermenter of which 1.5 gallon of water boiled off in 60 mins.
However...my second batch (6.6 gallon planed, achieved too) was a lot bigger.
I started off with 9.2 gallons of water and used 1.3 gallon of water to sparge (I didnt do it with my 1st batch..but the sparge water was planned when I calculated the amount of water needed), then I ended up with 6.8 gallons in the fermenter. Meaning only 0.8 gallon of water evaporated. The boil wasnt actually as fierce as during the 1st brewing....I guess it is due to the bigger batch size. So, this might explain why water didnt evaporate. I really dont know.
Is this possible that my boil off rate dropped this much just because of the size of the batches? Will this affect the taste of the final brew?
P.S. My calculation doesnt account for any water losses durning the brew...just the actual amount of water that is boiled off.
My pot is a 13.2 gallon steel pot, 15.74"-15,74" in dimensions.
My 1st batch (3.5 gallon planed, achieved too) started off with 6.6 gallons of water and I ended up with 3.4 gallons in the fermenter of which 1.5 gallon of water boiled off in 60 mins.
However...my second batch (6.6 gallon planed, achieved too) was a lot bigger.
I started off with 9.2 gallons of water and used 1.3 gallon of water to sparge (I didnt do it with my 1st batch..but the sparge water was planned when I calculated the amount of water needed), then I ended up with 6.8 gallons in the fermenter. Meaning only 0.8 gallon of water evaporated. The boil wasnt actually as fierce as during the 1st brewing....I guess it is due to the bigger batch size. So, this might explain why water didnt evaporate. I really dont know.
Is this possible that my boil off rate dropped this much just because of the size of the batches? Will this affect the taste of the final brew?
P.S. My calculation doesnt account for any water losses durning the brew...just the actual amount of water that is boiled off.