BatchBuildr Change Log

BatchBuildr v1.0 (release 4 July 2015):

  • Initial release
  • Using batch volume, intended ABV, and desired sweetness level, calculate the starting gravity and amount of honey required to make your mead.

BatchBuildr v1.1 (release 10 Nov 2015):

  • Added General Instructions.
  • Added Go-Ferm Rehydration Instructions.
  • Added Staggered Nutrient Protocols for Fermaid O (TOSNA), Fermaid K/DAP, and Fermaid K/Fermaid O/DAP.

BatchBuildr v1.2 (release 11 Nov 2015):

  • Added change log to header information.
  • Added metric unit support for batch volume and honey weight.
  • Increased batch volume granularity to 0.1 units.
  • Changed Go-Ferm rehydration instructions to use yeast packet weight not minimum dry yeast weight.
  • Included Nutrient Protocol name in Protocol Instruction header.
  • Updated Blount-Elliott’s profile to use 29 Brix as the cutoff for using 225 ppm YAN vice 175 ppm YAN. Previous cutoff at 25 Brix.

BatchBuildr v1.2.1 (release 11 Nov 2015):

  • After further discussion with Travis Blount-Elliott, updated the Fermaid O / Fermaid K / DAP nutrient protocol to use legal limits and recommended nutrient limits for Fermaid O to avoid yeast flavors.
    • 3 different nutrient amounts based on ABV:
      • <=14% ABV use 175 ppm YAN
      • 14 % < ABV <= 16% use 225 ppm YAN
      • > 16% ABV use 275 ppm YAN
    • Max Fermaid K = 9.45 g / 5 gal per US legal limits
    • Max Fermaid O = 9.45 g / 5 gal based on Lallemand recommendations
    • Max DAP irrelevant due to never reaching at 275 ppm YAN per this schedule. Note: Legal US limit is 18 g / 5 gal.

BatchBuildr v1.2.2 (release 24 Nov 2015):

  • Changed default SNA protocol to the Ferm O/Ferm K/DAP version based on this reddit discussion.
  • Added a link to the Advanced Nutrient Calculator for those wishing to tailor their own approach to nutrient additions.

BatchBuildr v1.3.0 (release 27 Nov 2016):

  • Added yeast nutrient requirements (low, medium, high)
  • TOSNA 2.0 replaces original TOSNA formula
  • In the Travis Blount-Elliott method, the order of precedence for filling the YAN bill is conducted as follows:
    • Fermaid O to 0.45 g / gal
    • Fermaid K to 0.5 g / gal
    • DAP to 0.96 g / gal
    • Any remaining YAN requirement as Fermaid O
  • Cosmetic fixes to interface and change log