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-   -   Plastic Carboy Problem (http://www.homebrewtalk.com/f39/plastic-carboy-problem-237068/)

ghank15 04-03-2011 02:11 AM

Plastic Carboy Problem
1 Attachment(s)
Well, apparently adding hot wort to a plastic carboy is not advisable.

As can be seen, it seems to have been warped.

Now, I have no problem buying another carboy(im switching to glass), but this incident has begged me to ask two questions:
1. Are you not supposed to add the wort to your carboy when it is hot?


2. Will the warping of the plastic have released any chemicals into the wort which would affect the quality of my beer? I do not want to drink anything that tastes like plastic, however the wort for this beer tasted great. It would be a tremendous shame if I had to dump.

Golddiggie 04-03-2011 02:15 AM

You're not supposed to put anything into the PET carboy that's above 140F... IF you don't have a way to chill your wort down, you need to use sanitary ice (use a sanitized container/ziplock bag to free filtered water in, and put just the ice into the pot), or add damned cold water to the wort until it's under 140F before you pour it into the carboy. It's also advisable to have cold water in the carboy before you add the warm wort to it. That will help cool it down faster, and help act as a buffer... I believe glass carboy's have a slightly higher tolerance. Still, I wouldn't pour any hot wort into either.

If you're doing full batch boils, or close to it, then get yourself a wort chiller. Or make one if you're handy...

I use a home made IC to chill my wort down below 70F before I put it into primary. Even if I'm going into stainless...

ghank15 04-03-2011 02:18 AM

yeah, I probably should have read up on PET carboys before I went and did that.

Now, my question is, is my wort ruined?

Golddiggie 04-03-2011 02:25 AM

Don't know if the wort is ruined or not... Don't know if anything bad gets released when the PET gets up to that temp... Will take someone else (or more research on your end) to give that answer...

I will say, using wort chillers makes this a zero event...

passedpawn 04-03-2011 02:28 AM

You shouldn't do that to glass, either. I know from experience: it's a great teacher.

ghank15 04-03-2011 02:29 AM

i have a feeling that your problem was a bit messier than mine, passedpawn

Golddiggie 04-03-2011 02:31 AM

I know one red-line temp is 140F and the other is 160F. Can't recall, exactly which is which... Doesn't really matter on my end since I'm using a chiller and have my wort ~70F (or lower) before I pour into primary...

ghank15 04-03-2011 02:45 AM

i am doing some googling, and I found one other noob who made the same mistake I did. on that site, there was a link to another forum, however, you need to be a member to see somebodies reassurance and I am waiting for the email.

I can't find too much information. I don't think that anything too harmful would be released, but I am by no means an expert.

ghank15 04-03-2011 02:48 AM

i just saw the response to the other thread, it read:

"Better Bottles are BPA free. Though they are made of PET (a phthalate) they are harmless."

heres a link to the first convo I read.


Mongrel 04-03-2011 04:51 AM


Originally Posted by passedpawn (Post 2801014)
You shouldn't do that to glass, either. I know from experience: it's a great teacher.

Yeah, melted better bottle is preferable to a shattered glass carboy.

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