Author Topic: Changing Batch size without scaling  (Read 453 times)

Offline agr8lemon

  • BeerSmith Apprentice Brewer
  • **
  • Posts: 3
  • Beer is my bread
Changing Batch size without scaling
« on: January 28, 2022, 01:31:27 PM »
Hello everyone.

A quick question I hope. I have an equipment profile setup for my GrainFather system that is a 10 gallon system. Sometimes I like to brew just a 5 gallon batch. If I change the Batch Vol field in the design tab, it doesn't seem to change the grain bill amounts. Do I have to have a separate equipment profile setup for my GrainFather with only a 5 gallon batch vol?

Thank you!

Offline brewfun

  • BeerSmith Grandmaster Brewer
  • *****
  • Posts: 2304
  • Malt dust is just alcohol's glitter
Re: Changing Batch size without scaling
« Reply #1 on: January 28, 2022, 03:53:03 PM »
You'll want to create a 5 gallon profile for your equipment. Then, use the scale recipe function. The reason for this is your brewhouse efficiency will change (lower) with the smaller batch. Simply, all of your loss volumes will stay the same as a full batch but represent a larger percentage of the batch volume.

One gallon loss is 10% of 10 gallons and 20% of 5 gallons.
Beer Appreciation is the space between pints.

Offline agr8lemon

  • BeerSmith Apprentice Brewer
  • **
  • Posts: 3
  • Beer is my bread
Re: Changing Batch size without scaling
« Reply #2 on: January 30, 2022, 07:51:26 AM »
That makes sense, thank you very much.

 

modification