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Final Gravity is way off from what the book is saying

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kharn74:
I am doing a Gulden Draak clone from the "Clone Brew" book.  It is a 5 gallon extract version.  My original gravity was 1.109 and it is supposed to be around 1.025 when finished.  It is sitting at 1.054 and has been at that reading for a week?  This is my first beer that I have not hit the recommended final gravity.  Is It OK to bottle or should I wait?
 :o

mainebrewer:
How long has it been since you pitched the yeast?

narvin:
Predicting FG is a hard thing to do.  Wort fermentability varies, and some extract is less fermentable than others, so the beer could just be done.  Another factor that probably compounded the problem is the high OG.  Unless you made a really big starter (see mrmalty.com) and aerated well, the yeast may have pooped out.  I've never had much luck restarting a stuck fermentation, but others may have advice for that.

Joe Sr.:
Even low-fermenting extract should get lower than 1.054.

Try getting the yeast back into suspension (rock the carboy, or gently stir with a racking cane).  Try warming it up.

You could also try pitching a large active starter to get it going again.

You might want to pull a small sample and dump a whole packet of dry yeast into it to see how far it will ferment out.  This will tell you what should be achievable with the balance of the beer.

morticaixavier:
details?

Recipe? yeast variety and quantity pitched? ferm temp?

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