This is my second batch of beer. The first one went pretty smooth. My second batch seemed like a comedy of errors. I brewed a witbier. It is this witbier that I have a couple worries/questions about. After struggling through the brewing process I put 5 gallons of wort in the fermenter and went to bed. In the morning when I checked on it, it had started fermenting. A 2 inch head of foam and bubbles through the blow off tube. Well, its 10 days later and there is still a layer of foam on the wort and I have noticed any bubbles in the last 5 days and the wort has a slight greyish color in it. (the grayish color may be my imagination) Just wondering if this is normal for a wit? My second question: I ferment in an unheated garage in a freezer with a heater in it. Well the heated got unplugged and this morning when I noticed it the temp was down to 40 f. Is this going to have an adverse effect on the beer? thanks for any help
James