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Fermentation temp question

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flbrewer:
I'll be brewing my first batch this weekend (American Wheat extract) and have been testing my makeshift fermentation chiller (big plastic tub with water and ice packs). I'm still trying different types and sizes of packs but have the following questions;
1) is a constant temp more important than a lower temp? I'm thinking ill be around 68-70 using packs
2) do frozen water bottles stay colder longer vs the blue gel packs?
3) doing no ice my water tub stays around 73. Will this make bad beer?

Thanks everyone!

denny:

--- Quote from: flbrewer on May 02, 2013, 08:16:41 AM ---I'll be brewing my first batch this weekend and have been testing my makeshift fermentation chiller (big plastic tub with water and ice packs). I'm still trying different types and sizes of packs but have the following questions;
1) is a constant temp more important than a lower temp? I'm thinking ill be around 68-70 using packs
2) do frozen water bottles stay colder longer vs the blue gel packs?
3) doing no ice my water tub stays around 73. Will this make bad beer?

Thanks everyone!

--- End quote ---

1) all things being equal, maybe....;)  If the constant temp is 75, that's no good.  68-70 is barely acceptable
2) dunno
3) if the water temp is 73, the beer temp will be higher.  Not as much higher as without the water, but enough higher that it won't make great beer.

goschman:
What yeast are you going to be using? If you can't get the temp below 70, I recommend WLP001/WY1056/US05. They will be the most forgiving at higher temps. I usually hear that fermentation temp is usually about 5 degrees higher than ambient temp depending on the vigor and initial conditions.

klickitat jim:
Go to home depot, buy a couple sheets of Styrofoam insulation and make a box to cover the tub and all. Maybe one sheet would do. Cuts with a knife and you can just tape it together.

flbrewer:

--- Quote from: klickitat jim on May 02, 2013, 09:07:48 AM ---Go to home depot, buy a couple sheets of Styrofoam insulation and make a box to cover the tub and all. Maybe one sheet would do. Cuts with a knife and you can just tape it together.

--- End quote ---
After playing with the tub, I may be getting a large cooler. Apparently the 64 quart Igloo works well with a 6.5 carboy.

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