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Old 08-24-2007, 12:46 AM   #1
fretman124
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Default Whirlfloc ???

I'm on my second brew using whirfloc as a clearing agent. I drop it in in the last 15-20 minutes of the boil.

It seems to me that it seriously increases the amount of trub in the beer. Also, when the krausen forms, it is very thick and doesn't completely drop, even after two weeks there is 1/2 in of krausen and no airlock activity, so I racked thru it..


Anybody else having issues with this product?



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Old 08-24-2007, 12:47 AM   #2
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No issues, but I have always used it so I can't really compare. Sorry.



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Old 08-24-2007, 01:13 AM   #3
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Quote:
Originally Posted by fretman124
I'm on my second brew using whirfloc as a clearing agent. I drop it in in the last 15-20 minutes of the boil.

It seems to me that it seriously increases the amount of trub in the beer. Also, when the krausen forms, it is very thick and doesn't completely drop, even after two weeks there is 1/2 in of krausen and no airlock activity, so I racked thru it..


Anybody else having issues with this product?

I've ONLY used whirfloc but yes there is a rather large amount of trub... BTW, a spokesperson from the Whirfloc manufacturers says that more than 5 minutes denatures the product rendering it less effective, also 1 tablet is good for 20 gallons. I break mine in half and use half in 5 gallons.
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Old 08-24-2007, 02:30 AM   #4
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Quote:
Originally Posted by fretman124
I'm on my second brew using whirfloc as a clearing agent. I drop it in in the last 15-20 minutes of the boil.

It seems to me that it seriously increases the amount of trub in the beer. Also, when the krausen forms, it is very thick and doesn't completely drop, even after two weeks there is 1/2 in of krausen and no airlock activity, so I racked thru it..


Anybody else having issues with this product?
Sounds like it is doing what it is supposed to do - bind and precipitate proteins and beta-glucans in your wort. I use it always and cool my beer down into the low 60's and then whirlpool it before transferring and pitching. There is alot more trub left behind in the kettle when I do this and I have increased my batch size so I can rack off 5+ gallons of crystal clear wort into my primary fermentor. Not sure what your krausen issue is unless the increased amount of precipitated material inyour primary is creating it.
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Old 08-24-2007, 12:35 PM   #5
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I have had that issue with the krausen before and I haven't used whirfloc before... I think it has more to do with the ingredients in your beer... I remember my beers that contain wheat always do that with the krausen... when it has been two weeks and i still have krausen with no airlock activity, I'll agitate the fermenter a little to break that "crusty" krausen and it normally falls in a day after that... good luck..

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Old 08-24-2007, 12:40 PM   #6
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Quote:
Originally Posted by DeadYetiBrew
I've ONLY used whirfloc but yes there is a rather large amount of trub... BTW, a spokesperson from the Whirfloc manufacturers says that more than 5 minutes denatures the product rendering it less effective, also 1 tablet is good for 20 gallons. I break mine in half and use half in 5 gallons.

Really. The ones I bought from AHS said to use one in 5 gallons of wort. Of course that is on their label and I cant imagine they would tell you to use less. Is there anywhere I can read about that?
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Old 08-24-2007, 01:02 PM   #7
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Really. The ones I bought from AHS said to use one in 5 gallons of wort. Of course that is on their label and I cant imagine they would tell you to use less. Is there anywhere I can read about that?
That's because AHS wants you to use more so you'll buy more...

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I did actually hunt down the specialist at the manufacturer of Whirlfloc. The company that makes Whirlfloc tablets is Quest International in Ireland and the contact was Liam Holog? Anyway I learned several interesting things from this very friendly, knowledgeable and interesting man (he even wanted to idle talk for quite some time):

1. Whirlfoc is refined kappa carrageenan with some talcs to help in tabulation.

2. pre-hydrating whirlfloc does nothing at all to increase effectiveness. In fact it's not even water soluable at lower temperatures so all you'd be doing is getting it wet.

3. most interesting: do NOT add whirlfloc any earlier than 10 minutes before end of boil. It acts immediately and at most only really needs 5 minutes in the boil. If you add it earlier you will denature the carrageenan (not quite sure what that means - anyone?).

4. The manufacturer recently has done some google searching and was surprised that it has become so popular amongst homebrewers. Their target is large breweries and they only sell it through large distribution chains so wasn't aware it was going out to LHBS suppliers in the current volume.

5. if you are adding any more than one tablet for 5 gallon batch, don't bother. One tablet is 2.5 times the dosage they recommend. For record: one tablet is 2.5 grams. They recommend 5 grams per hectoliter (2 tablets to about 25 gallons).
here's where i saw it, i hate linking to another forum but it's the Northern Brewer forum, i don't know exactly where the guy quoted it from.


Basically, the manufacturer of whirfloc caters to BIG brewers. So when you get it from the LHBS or AHS they have bags of whirfloc tablets that have been taken from bigger bags and relabeled. The manufacturer didn't know that whirfloc was used by HB'ers... I was wrong it's 2 tablets for 25, either way half is adequate.
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Old 08-24-2007, 05:57 PM   #8
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Beautiful, thanks...I appreciate it.

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Old 08-24-2007, 06:58 PM   #9
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I use whirlfloc in all of my 5 galon batches and have had no issues.

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Old 08-24-2007, 10:49 PM   #10
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some strains of yeast hold their krausen a long time. others don't.



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