I agree with the post below...
I purchased a Penn digital temperature controller and a cheep (115.00) freezer from Lowes. I do a batch every month.
I pretty much stick to the same recipe and have noticed a more uniform taste
In the beginning, without the precise control, I managed to make batch of smoke flavored light lager YUK...
Originally Posted by PintOfBitter
temp control is the #1 thing you can do to improve your beers, in my opinion (and many others). flavors and aromas put off by the yeast change radically with a few degrees deviation. you'll definitely want to work on your temp control.