Imperial IPA and Attenuation??

RGingerelli · Nov 17, 2010

I brewed a I2PA on 10/27 with og of 1.071. Justtook a reading today 11/17 and have a reading of 1.021 so I have an attention of 70.4% is that good? Just not sure because the last batch I did had an attenuation of 80%. Any input would be great.

Cheers!

GaryJohn · Nov 17, 2010

Seems good to me! Depends in which yeast you used, and if it's an extract brew.
Extract often stops at around 1.020.

If you want you can warm it up a few degrees and gently swirl the fermenter, and wait a few days to see if it does anything, but after 3 weeks I'd say you're good to go!

maida7 · Nov 17, 2010

It depends on the yeast strain.

I tend to use some table sugar in my big IPAs to dry them out. It makes them more drinkable.

Chesterbelloc · Nov 17, 2010

RGingerelli said:
I brewed a I2PA on 10/27 with og of 1.071. Justtook a reading today 11/17 and have a reading of 1.021 so I have an attention of 70.4% is that good? Just not sure because the last batch I did had an attenuation of 80%. Any input would be great.

Cheers!

We kinda gotta know more about what ingredients you've worked with here and there....

Generally speaking 70% is fine.

If you didn't do so... make well-sized yeast starter.

If it's a grain-mash, then mash your IPA around 150F for 90 minutes. That will help you hit lower gravity.

lumpher · Nov 18, 2010

1.021 i not bad for an iipa if extract. extract or all-grain?

RGingerelli · Nov 18, 2010

It was a extract kit from morebeer (rogue I2PA)

TheMan · Nov 18, 2010

...but which yeast was in the kit? Some yeast are more attenuative than others.

RGingerelli · Nov 20, 2010

Liquid California ale

Newbeerguy · Nov 20, 2010

Thats seems about right for an extract batch with that yeast. :mug:

Imperial IPA and Attenuation??

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