ReadonlymethodAgitation, which decides which of Braukaiser's growth bands applies.
ReadonlystepStep volumes in order, litres. One step, or two.
Step one is pitched with the viable cells from the packs. Each later step is pitched with the whole output of the step before, as when the brewer decants and pitches the slurry.
A starter the brewer plans to build for one culture before pitching it.
This holds the inputs only, not the yield.
pitchPlanruns the steps through the starter-growth model to compute the cell count, which is also why a pack carries a manufacture date and not a viability percentage.