I'm excited that it's finally fall and my basement is cool enough to ferment ales again (in summer it stays between 70-75 or warmer), but I'm a bit worried that the ambient temperature seems to be fluctuating a lot. I've been measuring it at different times throughout the day and it's anywhere between 59 and 65 and I'm worried that it will get even lower later into winter. Will this be a problem for fermenting ales?
I'm hoping that 5 gallons of beer won't change temperature that quickly and will stay somewhere in the middle, but I always hear people stressing the importance of a constant or at least slowly rising temperature. I've been thinking of getting real temperature control anyways for summer brewing and lagers, but I didnt think that I might have to worry about heating too. Would it be worth it to splurge on a mini fridge, dual stage controller and a fermwrap? Or will I be fine with ambient temps in the winter and just get a fridge for the summer months?
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