Imperial Yeast: A31 Tartan

Traditional Scottish brewers yeast strain, well suited for malt forward beers.

Tartan is a traditional strain that accentuates the malt character of Scottish ales. It can also be used for other styles and works well in IPAs due to its clean character. For a higher ester profile, use this ale yeast at the top end of the temperature range.

• TEMP: 65–70F (18–21C)
• FLOCCULATION: MEDIUM
• ATTENUATION: 70–75%
• ALCOHOL TOLERANCE: 10%

Suggested Substitutions*:

• White Labs: WLP 028 – Edinburgh Ale
• Wyeast: 1728 – Scottish Ale

*Suggested yeast substitutions may not be an exact replacement, but they will be a very close approximation.