Temperature plays a key role throughout the brewing process, particularly during the mash and during fermentation.

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my temperature is too high what can i do?

i have just added all the ingredients for my first coopers lager beer kit. I am aware that my temperature is too high at 32degreesc and the kit says to be from 21-27. will this ruin it? i heard it was ...
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325 views

Temperature control during 1st phase fermentation

I am having some issues keeping the temperature controlled. I live in SE QLD and the daily ambient temperature has been 23 degrees C down to 11C. I've been advised not to let the wort drop below 18C ...
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282 views

Thermal expansion of wort

Does anybody know an algorithm or a calculator to compute thermal expansion of worts? Most of the time in homebrewing materials, it is said that in volume calculations one should account for 4% ...
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354 views

How Much (and How Fast) of a Drop in Temperature can (Ale) Yeast Tolerate? (And Preliminary Results from My Experiment)

I have rigged up a Raspberry Pi with some DS18B20 temperature probes that measure both the water in the swamp cooler and the beer directly and store the results in a MySQL database. I brewed a new ...
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112 views

Isinglass and temperature

The wine kit that I am making uses isinglass for fining and recommends storing the wine at 70 degrees during the process. In the past I've used gelatin in my beers to clear and I know that it works ...
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overheated the mash by a long shot

I asked before and got some help and have done some reading since. The temp in my mash jumped from 175 to about 195 after I put the lid back on. How much damage did I do? Some things I've read since ...
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96 views

Is anyone aware of a mini refrigerator model with a flat bottom for use as fermentation chamber?

Searching like crazy to find a mini refrigerator with a flat bottom. Any model will work, as I am new to this and only brewing 1 gallon batches. Ideally it would hold a 5gal carboy so that I do not ...
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733 views

Fermentation hasn't started?

Made a kit on Saturday, 1/2 lb. Caramel 80 specialty grain, 9.15 lbs rye extract. Kit came with the Wyeast American Ale smack pack. When I got the yeast pack out of the fridge, the pack was already ...
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125 views

Would Yeast survive the temperatures of distillation and properly carbonate?

Theoretically: If one were to distill a beer at 172.3-211.9*F with the intention of throwing away the distillate, in order to produce non-(or low-)alcoholic beer, would the remaining beer contain ...
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161 views

How much heat can a demijohn take?

I'm planning to serve some homemade cider, hot and mulled at a market stall in the coming weeks. I'll be siphoning out of a 23L demijohn (like this: ...
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82 views

Temperature of Wort hit 89*F when yeast has maximum temperature of 72*

... I rigged up a raspberry pi and connected it to a thermwrap to regulate temperatures for my wort. All was working swell until I made a slight tweak in the code, and commented out the section that ...
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117 views

Ale yeast at cold temps?

I made a modified Oktoberfest 11 days ago. I used an ale yeast to cut down on the time. I let it ferment at 68 degrees Fahrenheit for 4 days, then decided to put it in the fridge at 50 degrees. I ...
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Heating after fermentation?

What's the general consensus on leaving a heat source turned on after fermentation has complete? I'm doing an Imperial IPA which should finish fermenting in 4-5 days going by previous experience with ...
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74 views

Fermentation Temperature

I have a quick question. I've been looking for an answer, but didn't find a clear answer. So, I'm making an IPA. Right now the air temperature in my closet where I keep the carboy is 67-68F. This is ...
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144 views

Why every brew has a bitter malty aftertaste?

Every of 5 previous brews (lager, pilsner, pale ale, IPA) have had a somewhat bitter and malty aftertaste to them. It's not too off-putting (except the lager) but is clearly there, yet not present on ...
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78 views

Temperature of wort hit 50*F when yeast has a minimum temperature of 60*F

This is unrelated to the question I just posted here. (Yes I'm having a bad day regarding temperatures, both too hot and too cold!) My yeast had a temperature range of 60-72*F. It has been brewing ...
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84 views

Is it important to reach pitch temps quickly?

I have seen lots of posts where guys say they stayed up late because their wort hadn't reached pitch temp until 4am or somethinglike that. What is the harm in just going to bed at 1 or 2, waking up ...
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Control Products 9102D Temperature Controller won't go below 50 degrees?

So I got a dual stage controller (http://www.amazon.com/gp/product/B0057APR3I/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1) to hook up to a keezer that I am making. I got it wired up today and was ...
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Storing full kegs at room temperature

So I have a related question here, but my questions are the following: I only have one (and only have room for one) dedicated chest freezer/fridge for brewing. I have one beer (Marzen) kegged and ...
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Beer Carbonation [duplicate]

I'm having a little problem with carbonation. The problem comes in the moment I have to check If the carbonation is ok. I open some bottles and they have good carbonation, but some others don't have ...