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Old 11-14-2008, 10:02 PM   #1
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Default Is tap water sanitary?

If I am brewing extract, and I do a 3 gallon boil, then top up with filtered tap water in the fermenter, is there a risk of infection from the unboiled tap water?

Thanks!

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Old 11-14-2008, 10:09 PM   #2
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Generally speaking if you drink it then its fine to brew with.

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Old 11-14-2008, 10:28 PM   #3
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I've used untreated tap water to top off many times without issues.

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Old 11-14-2008, 10:31 PM   #4
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The water has chlorine in it (if it's city water) and is fine. The issue is in the Faucet...is it sanatary???

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Old 11-14-2008, 10:34 PM   #5
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Originally Posted by King of Cascade View Post
The water has chlorine in it (if it's city water) and is fine. The issue is in the Faucet...is it sanatary???
Chlorine is bad for beer- not because it's not sanitary, but because it makes beer taste bad. I'd use some sanitizer on the faucet (I use star-san in a spray bottle) and not worry. I'd boil the top off water if my water was chlorinated, though.
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Old 11-14-2008, 11:07 PM   #6
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Quote:
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Chlorine is bad for beer- not because it's not sanitary, but because it makes beer taste bad. I'd use some sanitizer on the faucet (I use star-san in a spray bottle) and not worry. I'd boil the top off water if my water was chlorinated, though.
True but the question was "is there a risk of infection from the unboiled tap water"

I would not chance it... you spend alot of time and money on your beer so if you can't do a full boil then use preboiled tap
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Old 11-14-2008, 11:25 PM   #7
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Ive always used the tap water in my small town and never had a problem. i wouldnt worry about it

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Old 11-14-2008, 11:46 PM   #8
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I do have a charcoal filter I bought from morebeer, and I do run it through that. I'm not tasting or smelling any chlorine in what comes out of it. In addition, I put my hydramator (sp?) in my tap water, it was 1.002. The filtered water reads closer to 1.000 (temp corrected, of course), so I'm fairly certain it's doing it's job. My concern is the possibility of contaminants that may be in the water and make it past the filter.

Is it possible to get an infection, if all other sanitary conditions are met, by way of filtered, unboiled tap water?

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Old 11-15-2008, 12:35 AM   #9
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This thread might give you a few other opinions on the use of unboiled tap water to dilute beer.

http://www.homebrewtalk.com/f11/how-...anitary-88660/

Technically, yes, it is possible to infect beer if you dilute it using unboiled tap water. I've done it, and had no issues that I can report. I was technically taking a risk in doing so though. If I knew then what I know now, I would probably boil the water, just to make sure I wasn't taking any risks.

Once you can do it, a full wort boil is the best plan, since you don't need to worry about having to add water back after the boil. It will make your beers better too.

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Old 11-15-2008, 01:41 AM   #10
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The rule in brewing with water is that it has to be boiled during the brewing process to make it sanitary and to boil off any chlorine. Anything that touches the beer after the boil and cooling has to be sanitized (Starsan or other sanitizer) which would include any extra water added to the beer which must be boiled and cooled while maintaining sanitary practices.

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