Safale S-04 Fermentation Temp Slightly Low

KVANTAN · May 18, 2015

Gents,

I allowed my swamp cooler to dip down to 58 for about 6 hours. Actually it was at 68 and raging bubbles overnight dropped to 58. I am going to leave a small frozen water bottle in there to raise the temp slowly. Any other advice? Primarily am wondering about any impact to flavor as a result of the temp drop. Thoughts?

edroberts · May 18, 2015

Actually, S-04 tends to toss a few off-flavors above 62 to begin with. That said, dropping 10 degrees at high kraussen isn't necessarily the most desirable thing from a yeast activity standpoint. However, I wouldn't expect any perceivable off-flavors from the drop in temps.

Yooper · May 18, 2015

Try to keep it no higher than 63 degrees, if possible. S04 gets weird flavors at above about 64/65 degrees. I like it best at about 62 degrees.

Safale S-04 Fermentation Temp Slightly Low

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Safale S-04 Fermentation Temp Slightly Low

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KVANTAN

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