Mbrew

Mbrew · User guide

Yeast starter

Plan starter volume and cell count before pitching.

macOS · iOS · iPadOS — Mac preview; iPhone and iPad in beta.

This page explains a tool in the Mbrew app. Perform the calculation in Mbrew; this website does not run the calculator.

App availability

What you enter

Target cell count, starter parameters

What you get

Estimated starter

MacYeast starter: actual calculation interface
iPhoneiPhone · Yeast starter: actual calculation interface
Actual Mbrew calculator interfaces on Mac and iPhone, in the selected language.

How to use it

  1. In Mbrew, open Tools and select Yeast starter.
  2. Enter the following values using the units shown in the app: Target cell count, starter parameters.
  3. Review Estimated starter, then compare the inputs and result with your batch plan.

Interpreting the result

Enter the initial viable cell count and the volume of each starter step. The growth model has a limited inoculation-density range; do not interpret a model estimate as a measured cell count.

Common questions

Can I calculate directly on this page?
No. Use the matching tool inside Mbrew. This page provides instructions and a screenshot.