Carboy Kills Yeast in Optimal Temp :: Brewmaster: Beer Brewing Simulator Bug Reporting

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Angry Trash has Brewmaster: Beer Brewing Simulator

30 Sep, 2022 @ 2:32pm

Carboy Kills Yeast in Optimal Temp

Per some of my other bug posts where yeast behaves inexplicably, I bought American yeast with an optimal max temperature of 80. I pour it in at 69F, wait 15 days, and it dies with 0ABV. I pour in a strain with a max temperature of 72, in 69F, wait 15 days and it's dead with 0ABV.

This is a medium carboy. 1.031 Gravity. 6.8lbs of fermentable sugar. 3% contamination. 11.92gal of liquid out of a max capacity of 13. There is absolutely nothing that should be killing these yeast. If I put it in a medium fermenter instead, then it works, same yeast, same brew, same temp.

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Showing 1-4 of 4 comments

Limmin

1 Oct, 2022 @ 9:25am

Just a thought. IRL I had an issue like this, where the ambient temperature of my house was low enough that my yeast wouldn't ferment. So I used a "belt heater" wrapped around the bucket (not a glass carboy but similar) to provide warmth.

From another post I see there is a "heat mat" which could serve basically the same purpose as a heat belt. But the other post says it might not work so well with some containers.

Last edited by Limmin; 1 Oct, 2022 @ 9:26am

Angry Trash has Brewmaster: Beer Brewing Simulator

1 Oct, 2022 @ 9:34am

Originally posted by Limmin:
Just a thought. IRL I had an issue like this, where the ambient temperature of my house was low enough that my yeast wouldn't ferment. So I used a "belt heater" wrapped around the bucket (not a glass carboy but similar) to provide warmth.

From another post I see there is a "heat mat" which could serve basically the same purpose as a heat belt. But the other post says it might not work so well with some containers.

The heatmats are broken. All fermenting containers are listed in the catalog as not tolerating heat (hovering over this specifies no heat mats, even for the metal ones) and only the large heat mat works with anything. But only once. Afterwards you need to store it and get a new one, or else you can't put anything on it (no room, apparently), and then if you put a fermenter on it the fermenter teleports into your head.

All of this is kind of a non-issue though, as the ambient temperature of the character's house seems to be between 66-70 degrees. This is in range for almost any yeast, except for the ones which require lower than 70. As said in my post, I tested this with yeast that were within the appropriate temperature range, and the carboy still killed them, where putting the exact same yeast and pouring the liquid into a proper plastic fermenter showed no issues.