Hop Extract

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geoffi

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I recently brewed a beer (Schwarzbier) that seemed rather lifeless. Specifically, it was noticeably under-bittered.

I had used some rather long-in-the-tooth hops. They had been kept in a tightly sealed bag in the freezer, and I adjusted for the age of the hops, but I think I underestimated how much the bittering potential had deteriorated.

Today I picked up a little bottle of hop extract from the local HBS. WTF, worth a shot.

I added two drops of extract to my pint glass and filled 'er up...

Kapowee!

Amazing. The beer is suddenly came to life. Just needed a little IBU-boost.

Another interesting thing. The head retention has gone from poor to 'pass the spoon'. It's almost chunky.

There's no indication on the bottle about quantities, but I think I lucked onto the right amount in this case.

Cheating, I know, but I think it has rescued this brew and made it pretty darned good.
 
Iso is usually 30% W/V Iso-Alpha

so every mL gived you 300mg as we all know 1 IBU is 1mg/L easy to work out how much to add.

Handy tool to have

MHB
 
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