What's wrong with my beer?

I made a brown ale twelve days ago, and I used a starter that a friend gave me. Now it looks like this and has a strange taste. Any suggestions or answers?

Looks totally normal to me. What kind of weird taste?

Twangy

looks like yeast to me. it's a rare occasion i've never had that crap sitting up on top, thats normal

also, for the taste... what yeast? what temps? AG? Extract?

henson said:

Twangy

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Sorry, but you're gonna need to be a bit more specific. "Twangy" sounds like country music....

Fermented in the mid to low 60s. It's a starter I made from American ale yeast that a friend gave me. I put the wort in fermenter on a Saturday and didnt pitch the yeast until the next day. That's one thing that has me concerned. It did seem to take a couple of days to see airlock activity. OG was 1.05. It was a 10 gallon batch that I split between 2 ferm. The other w London yeast finished at 1.01 and this one is 1.015.

It's more of a fruity smell

Sounds to me like it is just a young beer that needs bottle conditioning. I think you're probably fine.

If you're expecting stuff out of a fermenter to taste like your favorite bottle of craft beer you are sorely mistaken about the point of properly conditioning your beer

Beer often tastes strange until it is carbonated properly. I would say bottle it, wait at least 3 weeks at ~70 degrees, then get concerned if it still tastes "twangy".

I'm concerned that it hasn't fermented out fully in 12 days using american ale yeast with a starter.

Even pitching straight from an activator pack into a fermenter in the low-to-mid 60's, Chico strain should have ripped through that (~1.045?) in less than a week. I've never seen an american ale krausen look like that one before.

I think you're right about it not being finished fermenting yet. I moved it to a slightly warmer area of the house and now there's airlock activity again.