Brett to Finish Overly-Sweet Lager?

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Clint Yeastwood

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Will brett clean up a beer that finished too sweet? I have a lager that contains a lot of crystal malt and accidentally went through the wrong mash, and I don't think I can drink it unless I do something. It stopped at 1.015. The fermentation went well as far as I could tell, but now I have overly sweet beer and the head is pretty lame. My wild guess is that I'm tasting unfermentable sugars, but I don't really know.

I don't know if brett would help, but it's an interesting question. And there is always amylase.

I don't think I have anything to lose here.
 
Brett does have some ability to break down and ferment dextrins so it might be worth a shot, and hold the enzymes for later if the needle doesn't move...

Cheers!
 
Unless you want leathery or pineappley flavors in your lager I wouldn't use Brett. It will lower your FG but will flavor the final product. Maybe add some top cropping yeast that is actively fermenting. I haven't tried enzyme so I have no experience if it will help you post fermentation. Another thought, you might want to dry hop to extract some bitterness to balance the sweetness. I would use some kind of a earthy/grassy/herbal hop opposed to some super fruit bomb.
 
I read a paper that said cascade hops are more prone to hop creep then most. Maybe dry hop with cascade and bring to 68* or so for a few days.
 
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