2nd fermentation

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karlmay

2nd fermentation

Post by karlmay » Sat Aug 29, 2009 7:20 pm

I just finished an all grain TTL clone.
it got down to 1010 for a couple of days and was ready to move to a secondary fermenter.
the temperature here, went up and the fermentation went mad again.

it then registered as 1002 on my hydrometer.

Does it sound like a wild yeast got in ?

And if it did what does this actually do ?

this tastes fine but as the FG is now down, is it actually stronger (alcohol wise) or is this misleading ?

thanks for any help

karl

Parva

Re: 2nd fermentation

Post by Parva » Sat Aug 29, 2009 7:36 pm

It's very unusual for a beer to finish so low. It will have a higher alcohol content but will also be 'thinner', less body to it. However, if it tastes ok to you then it's unlikely wild yeast has got in.

Chiltern Brewer

Re: 2nd fermentation

Post by Chiltern Brewer » Sat Aug 29, 2009 7:48 pm

Did you use any sugar?

If the beer doesn't taste dry and thin, then you may not be getting an accurate reading from your hydrometer. If the temperature of the beer is higher than the one for which the hydrometer is calibrated (normally 20oC for homebrew ones) then you'll get a lower reading than actually is the case, or it could just be inaccurate full stop.

karlmay

Re: 2nd fermentation

Post by karlmay » Mon Aug 31, 2009 9:15 pm

cheers for that
it does seem a bit thinner, tastes fine so wont worry anymore about it

thanks again :D

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