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Old 09-11-2008, 04:10 PM   #1
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Default Can I pitch on to yeast cake? (whatever that means)

I have a pale ale in my primary that will be racked to a secondary this weekend. I also want to make a pumpkin ale soon. Should I do this when I rack...and just pitch my new brew on the yeast cake? Am I way off or do all i have to do is just dump my new brew in the primary where my previous brew was...no cleaning...no sanitizing?

For the brew currently sitting in my primary, I did not strain my hops..and I used Muntons Dry Yeast. I was planning on using Safale US56 for the pumpkin...but I will just f* that idea if it means not having to clean & sanitize my primary.

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Old 09-11-2008, 04:16 PM   #2
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Yes, you can do that. As long as you were sanitary when you racked from the primary, the primary is still sanitary.

I wouldn't do it in your case, though. Munton's probably is not a good choice at all for the pumpkin ale, and you might not be happy with the attenuation of it. I'd go ahead and use the s-05.

Usually, if I pitch on the yeast cake, it's because I'm using (expensive) liquid yeast. Like today, I'll pitch onto a WLP001 cake. Usually, you put a bigger (higher SG) on a yeast cake. This is kind of like making a starter. In my case, I'm making a 1.074 IPA today, and kegging an "ocktoberFAST" ale. The last beer was 1.050-ish, and will make a nice yeast cake for my bigger, hoppier, IPA.

For dry yeast, there isn't much of an advantage to pitching on the yeast cake. You have a high enough yeast cell count in a package of dry yeast so that it's not really going to benefit your beer, and in fact may be overpitching. Also, in your case, you'll have a TON of new trub since it's a pumpkin beer. You will have all the old trub, too, so you're going to have several inches (or more) of trub when you're done there.

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Old 09-11-2008, 04:16 PM   #3
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It's fine to do so. Most recommend washing or never racking something lighter (either in color or gravity) onto a cake from a Stout, etc (I don't worry about it though as long as you drain off all the beer). And you only need to rack, no shaking, etc is necessary. There is a full colony read to go to work on the new wort. Be ready though, you can have violent fermentation so you may look into a blowoff tube.

[edit]I have never used Munton's so in this specific case, you may choose to use Lorena's suggestion, but in general you are fine as long as the yeast fits what you are trying to accomplish[/edit]

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Old 09-11-2008, 04:17 PM   #4
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You can certainly do that. No cleaning or sanitizing. There are some that'll say the hops & break material could give you off flavors, but I guess it really depends on how "big" your next beer is. BTW, use a blow off tube because the fermentation will be big! Behold:

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Old 09-11-2008, 04:59 PM   #5
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Thanks for the input.

Yooper- the additional trub did cross my mind. I heard people can lose a full gallon or more making a pumpkin ale...so I would only be worsening this by including my trub from the 1st batch. I guess I will just rack early enough so that I have time to clean & sanitize my primary.

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Old 09-11-2008, 10:30 PM   #6
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I too find Munton's yeast pretty unspectacular. I wouldn't pitch on to a cake of that...but I wouldn't use it in the first place to have a cake to pitch onto.

I've replaced the muntons' in a few extract kits with S-05 or Nottingham.

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Old 09-12-2008, 04:08 PM   #7
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gol dang it I wish I had seen this before. I checked several posts of repitching and didn't see anything about Munton's so I repitched my pumpkin ale on it. Also my extract kit came with a Munton's so I wasn't too worried about that, but now I am. It fermented good for a few days with constant bubbles in the blow off bucket.

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Old 09-13-2008, 02:28 AM   #8
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Munton's has done me wrong over and over. Couldn't get FG below 1.020 frequently. There may be other factors, and I did not make a starter, but I did follow the directions.

Using Safale and Munton's Gold I have gotten better results.

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Old 09-14-2008, 05:03 AM   #9
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^^Well today I racked to my secondary and cleaned out my primary. I can't let that thing set empty too long. My beer tasted a little bit watery...but I'm sure it will turn out fine. This is only my 2nd batch...the residue from the Krausen was not as high as my 1st brew (also used Munton's yeast)...I was not thrilled about that. I think I am done w/ Munton's dry yeast. For now on if I go dry, I will probably substitute w/ Safale also.

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Old 09-14-2008, 05:30 AM   #10
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I know I am asking the same question twice here, but I want to know that I understand correctly. It is ok to rack fresh wort directly onto the trub from the previous batch?
I ask because next weekend I am brewing Lake walk Pale Ale (I found the proper hops ) and I am using the wyeast 1272 AM ALE II smack pack. Following that I planned on brewing the Thunderstruck Pumpkin Ale. The recipe calls for the White Labs WLP002 English Ale yeast. Is the American Ale yeast an acceptable substitution or should I just go ahead and pick up the White Labs yeast. Thanks in advance.

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