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Old 03-22-2009, 11:27 PM   #1
blakey971
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Default Would this work as a carboy?

http://www.modestbob.com/uploads/water_cooler-1.jpg

I was strollin' through the Wal-Mart today, and they had a bunch of things
similar to these, but they were a full five gallons.

Is there any reason these wouldn't work as a secondary?

They were only like 12 bucks and I was thinking of picking a couple up.

Thanks in advance!


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Old 03-22-2009, 11:37 PM   #2
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Check the recycle code on them, the number inside the recycle symbol. It's probably a "7" which means it's not ideal. Recycle codes "1" and "2" are best.



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Old 03-22-2009, 11:41 PM   #3
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This question often comes up. In my opinion, I wouldn't use one of those. I think they are oxygen permeable, and #7 plastics are banned in Canada, due to health concerns.

Here are a few other threads about this:
http://www.homebrewtalk.com/f30/water-jugs-carboys-83218/
http://www.homebrewtalk.com/f39/plastic-bottle-carboy-105037/
http://www.homebrewtalk.com/f14/5-gallon-water-bottle-secondary-96539/

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Old 03-22-2009, 11:44 PM   #4
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Here's a decent thread on this:

http://www.homebrewtalk.com/f39/plastic-bottle-carboy-105037/

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Old 03-22-2009, 11:47 PM   #5
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A-ha!

Should have used the search function!

Thanks all the same.

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Old 03-22-2009, 11:53 PM   #6
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They are made for storing drinking water, I wouldn't hesitate to use them for beer.

Tom

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Old 03-22-2009, 11:59 PM   #7
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Dunno though, people say don't use water bottles because they may leech chemicals and this may be true but someone, somewhere, in a big chair has deemed them safe to use for the storage, transportation, and the dispensing of water.

it seems to me water would be more suseptable to absorbing things then a thicker wort?

And o2 absorbtion, how can it be any different from a 6 gallon bucket you use. I am going to put it all on the line and brew a beer in a water bottle, ill report back with my findings(oxidation, off tastes etc.) Hell maybe find a lab to test for known chemicals in plastics(if it is cost effective and they will accept beer). Wish me luck

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Old 03-23-2009, 12:17 AM   #8
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That sounds like a plan.

Keep in mind that even though #7 plastic is used in the US for water storage containers, they are banned in other countries and Nalgene has pulled their water bottles off the market if they contain #7 plastic. Actually, the problem is BPA, a substance in the plastic. Also, all baby bottles, etc that contain #7 plastic have been removed from the shelves. To some, it's not an issue, so I'm just telling you why I wouldn't do it. Also, while water may not have absorbed those chemicals, I'm not well enough versed in chemistry to know if a liquid with alcohol in it would absorb more or less of the chemical BPA or other chemicals.

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Old 03-23-2009, 12:20 AM   #9
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It may be fine, but a bucket costs about the same, and is KNOWN GOOD for fermenting.

Its not worth the chance of a ruined batch (6 hours of my time + cost of ingredients.)

Go get a 6.5 gallon bucket and lid for $14. You will need some headspace anyway.



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