I have tried it on 2 brew days and find each one of the days the app will reload if you have left it unattended for a period of time or gone into other apps. I haven't been able to figure out if the timers continue if you don't reenter the app but still is flawed from a development standpoint...
The TTB is only interested in enforcing these particular CFR's and could careless if you fermented in plastic buckets or didn't use SS in certain applications. The local control boards may be a different matter but for our state we are ok. It is sometimes tough to navigate all the different...
I can get ~700 bil cells off a 3L starter on a stirplate, nutrients, and plenty of o2. Mr. Malty says I need ~5L and 2 packs to get the same amount. Not sure of why the differences and I don't have a lab but I know how much yeast solids I have in the end and Jamil says 8 bil cells/ml of yeast...
Jamil/White say in their book that 1m cells/ml/plato is the rule of thumb for yeast repitched not yeast pitched off packs and propogated. They feel a better rule is .75 mil/ml/plato but again that is for repitched not for properly propogated lab yeast.
I own a nano brewery making 1bbl...
If the burners are set to the right height (adjustable to the flow/pressure of gas) so the flame is hitting the bottom of the kettle at it hottest point would that not account for what you speak of? Basically if the flame from burner to kettle was 6" there would only be 1.5" of possible air...