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-   -   Yellow stains in primary fermenter? (http://www.homebrewtalk.com/f11/yellow-stains-primary-fermenter-11615/)

rcd 07-28-2006 01:31 AM

Yellow stains in primary fermenter?
 
Forgive the noob question, but I recently finished my first batch ever, and I noticed there is a yellow stain from the 5 gallon mark on downwards to the bottom of my primary fermentation plastic bucket. I washed both the fermentation bucket and the bottling bucket after bottling, and the bottling bucket looks okay. Today I tried bleach and b-brite in the primary fermenter though, and it's still yellow...

is that normal? will it affect future brews? or must it be completely removed and restored to white before I can proceed?

Thanks.

johnsma22 07-28-2006 01:44 AM

I was concerned about that myself after my first brew. I was told by many to not worry about it and that it was normal. As long as you thoroughly cleaned it and sanitize it before your next batch you will be fine. You should not have any flavors or odors imparted to your next batch.

FWIW, I once used my fermenting bucket to clean some items with PBW (powdered brewery wash). I left them soaking overnight. I then forgot about them and left the stuff soaking in the bucket for about 4-5 days. When I dumped out the PBW solution and rinsed everything, the stain and odor in the bucket was completely gone.

John

david_42 07-28-2006 02:17 AM

A. Sounds like you have a serious case of hop contamination. If you love BMC, you have no choice but to throw the bucket out.
A1. If you look closely at a whole hop, you will notice the resins are bright yellow.
B. Leave the bleach in over-night. This is the only time I use bleach.

rcd 07-28-2006 02:47 AM

Quote:

Originally Posted by david_42
A. Sounds like you have a serious case of hop contamination. If you love BMC, you have no choice but to throw the bucket out.
A1. If you look closely at a whole hop, you will notice the resins are bright yellow.
B. Leave the bleach in over-night. This is the only time I use bleach.


Sorry, I don't quite understand. You're saying that the batch I just made is ruined? Or that the bucket itself needs to be thrown away?

Also, what is BMC?

So you're saying this isn't normal in brewing?

Alembic 07-28-2006 02:53 AM

I think what he is saying is that you are making some good beer with some good ingredients! BMC = bud miller coors. If you like the flavorless swill then throw the bucket away because you shouldn't be homebrewing.
However, if you like homebrewing some great beer then keep on brewing and just bleach your bucket if the color bothers you.

rcd 07-28-2006 03:51 AM

Quote:

Originally Posted by Alembic
I think what he is saying is that you are making some good beer with some good ingredients! BMC = bud miller coors. If you like the flavorless swill then throw the bucket away because you shouldn't be homebrewing.
However, if you like homebrewing some great beer then keep on brewing and just bleach your bucket if the color bothers you.

oh, cool :)

with regard to bleaching the bucket, if the color doesn't bother me, is it necessary? a friend of mine said bleaching is generally bad for plastic (denatures it or something).

thanks again :)

david_42 07-28-2006 04:25 AM

Actually, I was saying that if you like flavorless swill, then you should throw the bucket away, because the stain might give a BMC-like beer some flavor. Sometimes the humor is lost.

The stain won't be a problem. About the only time I bleach mine is after a batch of Revenge.

rcd 07-28-2006 04:31 AM

oh I gotcha now. Thanks David :]

Exo 07-28-2006 11:38 AM

Would a non-food-grade bucket get heavier stains or stain easier?

the_bird 07-28-2006 07:25 PM

Why would you use a non-food grade bucket? All of my Home Depot buckets, for example, are not as smooth inside, lots of places for nasties to hide out, and I imagine that if anything they are even more oxygen-permeable.


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