Reusing aluminum bottles

Fri Oct 26, 2012 4:09 pm

I have a bunch of budweiser 16 oz aluminum bottles. Any reason why I couldn't reuse these to fill them with homebrew? I tested recapping them and they cap/seal just fine!
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Re: Reusing aluminum bottles

Fri Oct 26, 2012 5:32 pm

Except that I like to be able to hold them up to the light to see how the beer looks, I can't see any reason not to give it a shot and see. Things to watch for though:

Does the cap flange get deformed/scratched over time? Aluminum is soft, whereas glass is not.

I know there is an internal coating of some sort on aluminum cans...not sure if it's a polymer or what, but I would be interested in how well this stands the test of time and repeated use of cleaners/sanitizers.
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Re: Reusing aluminum bottles

Fri Oct 26, 2012 7:09 pm

Snobby homebrew friends will make fun of you?
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Re: Reusing aluminum bottles

Fri Oct 26, 2012 7:38 pm

are the aluminum bottles twist-off? i've experienced nothing but frustration trying to cap on twist-offs, never felt the seal was up to snuff. if you're happy with your results i don't see a reason why not.
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Re: Reusing aluminum bottles

Sat Oct 27, 2012 6:29 am

They are pry off and keep a seal. I was worried about off-flavors due to the aluminum/lining... I guess we'll find out. They will be a one-time fill so I'm not too worried. Thanks All!
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Re: Reusing aluminum bottles

Sun Oct 28, 2012 12:21 am

I'd be less concerned since it's a one-time deal, but my biggest worry would be what was said about aluminum being so much softer than glass & the resulting scratches. Let us know how it works out.
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Re: Reusing aluminum bottles

Sun Oct 28, 2012 4:38 am

Whatever lines the bottle shouldn't be hurt inside the cap seal area. Only the outside where it is crimped. Worth a shot. :pop
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Re: Reusing aluminum bottles

Sun Oct 28, 2012 5:57 am

I'm know in an aluminum cooking pot the aluminum builds up an oxide layer that insulates the metal from the contents. Would the low pH of beer eat away at that in the case where whatever internal coating is somehow compromised? Not really sure of the consequences of this.
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