Showing posts with label venting. Show all posts
Showing posts with label venting. Show all posts

Tuesday, November 8, 2011

#14 - 60 Minute IPA (Continually Hopped) [Extract]

Ingredients for first extract recipe
After brewing with kits and experiments I finally moved up the ladder to extract brewing. I purchased a small 4 gallon stock pot and finally got round to using BeerSmith to its potential! My first brew was initially meant to be a Dogfish Head 60 Minute IPA clone based on this recipe but none of the Irish home brew stores had all the hops so I had to substitute. I think most hops were substituted quite well other than the Amarillo Hops which seem to be quite unique. I also had to get a slightly different type of grain (Crystal 60L) for the same reason as the hops. I'm thinking that with the amount of substitutions it is no longer a clone. :)


Steeping the grains, Crystal 

Initially I brought the water up to 65 degrees and put 
in the grains to steep for around 20 minutes. As my stove is so slow to heat the water, I was able to turn it down to the lowest output and that kept the temperature relatively constant. The colour change from a couple of minutes of steeping the grains can be seen in the adjacent image. 

After steeping, I removed the grains and didn't sparge them although I have read in several places that you should, so I might do that the next time. I then brought the water to a boil which took AGES due to the poor cooker. The length of time that it takes to bring it to a rolling boil really made me understand while all the yanks are using propane burners or huge elements in their kettles. It really is a time saver to have a decent source of heat.  

Once boiling, the endurance test began. The recipe calls for the wort to be continuously hopped for the full 60 minutes. I had two timers going, one for the total 60 minutes and the other which went off every minute to signal a hop addition. The idea behind this is to add a few pellets/cones every minute so that you end up spreading out the whole lot over 60 minutes. I was extremely paranoid about a boil-over so I had 2 tea towels ready to grab the handles and take it off the head at the first signs of boiling over. Thankfully the boil-over never really happened, probably due to the length of time it takes for the cooker to bring the wort to the boil.  


Once the 60 minutes had elapsed, I took the pot off the head and lowered the pot into a sink of cold water. I then ran down to my local store and got 2 bags of ice which I then dumped into the pot. The ice is surprisingly effective at getting the wort down to pitching temperatures. I have seen arguments about putting ice about whether it is a good idea or not but it is safe to assume that the ice is completely sterile as otherwise people would be getting sick when consuming it with their drinks.

High Krausen!
It took about 5 minutes for the wort to cool once the ice was added so I then transferred it to a freshly sanitised fermenter through a couple of sieves. There was a lot of debris in the wort due to the large amount of pellet and whole hops so the sieves got clogged repeatedly. I topped up the fermenter to the 19L mark with cold tap water and pitched the yeast. I had previously made a 1L starter with a sachet of Safale US-05 and some malt extract. Due to my experience of using kits I wasn't familiar with the necessity of using a blow-off tube.....It was necessary this time.....for several days in fact! Part of the problem was due to the fact that the capacity of the fermenter was only 23L (as opposed to the normal 30L) so the head-space was quickly filled with Krausen. It is due to reactions like this that I have added this  brewing t shirt  to my Christmas list. :)



Sunday, September 18, 2011

#6 - Coopers European Lager [Kit]

I tried this brew as I was looking to make some kind of light beer that didn't need the lime slice like brew#1 and wasn't as heavy as brews #3 or #5. I didn't like how mainstream it looked (I'm the type that judges a book by its cover) but I was willing to give it a chance. I made the brew at one of my beer tasting sessions with a load of friends. They were all curious to see the process so it made sense.
There was nothing out of the ordinary to report during the fermentation process of this beer.Although there was plenty to talk about from the bottling stage. I had previously primed all my bottles with 1 carbonation drop each while being aware that 1 drop is actually suited to 330ml bottles. For this batch I chopped a load of drops in half and put 1.5 drops into each bottle thinking it would be fine. It was fine.....kinda.... The beer was definitely over carbonated in the end which I didn't expect. I genuinely thought I was putting the perfect amount of sugar in and I had read in several places of others doing the same with positive results.

Instead I noticed that there had been "seepage" on some of the Grolsch bottles that I had stored the beer in. The pressure had obviously built up to such a degree that it had vented out through the swing top. I found this worrying and interesting at the same time. I did some searching around and found that it was indeed rare for Grolsch bottles to explode and this 'self venting' feature commonly noticed. I enjoy the 'POP' when opening a normal Grolsch bottle but opening the ones containing the lager was unbelievable. It was shocking how loud it was, it makes a room full of people go quiet!  :)  

I did let it age for much longer than I normally had done for previous beers.This was partly due to fear that a bottle would explode in my face if I disturbed it.  I was pleasantly surprised by the taste which was very refreshing and a little sweet which was a good thing. I don't know if I would bother brewing another Lager as I don't have any space or equipment to store it in cool temperatures for several weeks. I would probably make a pale ale instead. 

Stats:
Started - 4.6.11
Racked - NA
Finished - 11.6.11
Bottled - 12.6.11
Code - 1006
Yeast Brand - Coopers Lagar 
Yeast Code - 1011
Y-Temp - 20
Beer/Product Type -  Coopers European Lager
Malt/Sugar Type - 1.5kgCoopers Extract Light
Volume -  23L
OG - 1045
FG - 1013
Proof  - 4.8% (Including 0.5% for priming)