Top fermenting yeast question

willycoolj · Jan 1, 2017

Hi all, happy new year, when you have a top fermenting yeast do you just leave it in FV when kegging or bottling or do you scoop it out first, I have never used this type of yeast before so I'm clueless , I use a tap on FV

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Leon103 · Jan 1, 2017

Once complete it will sink the the bottom.

willycoolj · Jan 1, 2017

Leon103 said:
Once complete it will sink the the bottom.

Ok thanks, think I made my self look a dick, common sense should of told me thatlol

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cheapbrew · Jan 1, 2017

It should sink, but on the odd occasion I've had to give the FV a few slaps on the side to help it break apart into smaller clumps or it can sit there for ages.

willycoolj · Jan 1, 2017

Ok thanks, will keep an eye out for that

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Hoppyland · Jan 1, 2017

Depends upon the yeast I reckon. I only make beers using top-fermenting yeast, and I don't use dried yeasts these days. Most dried top-fermenters I've used were barely that in my experience. They did indeed flocculate and sink.
Below is a photo of one of my favourite yeasts just getting going. It's Brewlab's East Midlands 1, which they describe as moderate fermentation speed, low flocculation. It certainly is a true top-fermenter, forming a really thick, creamy yeast cap that is pretty stable - great for top-cropping for yeast re-use. For me, this is an ideal yeast to use in a FV with a tap: when the fermentation is past it's first vigorous stage you can drop the beer into a secondary, leaving most of the floating yeast behind.

Brewmarc · Jan 1, 2017

willycoolj said:
Ok thanks, think I made my self look a dick, common sense should of told me thatlol

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Don't worry Iv been brewing for 20 years & common scence has often proved me wrong:thumb:

RexBanner · Jan 4, 2017

Please let me know how you get on with this, im brewing a bitter and have sprinkled wilkos gervin yeast ontop 3 days ago. Got an inch of foamy krausen but the airlock has done notginf for 2 days now.

DoctorMick · Jan 4, 2017

RexBanner said:
Please let me know how you get on with this, im brewing a bitter and have sprinkled wilkos gervin yeast ontop 3 days ago. Got an inch of foamy krausen but the airlock has done notginf for 2 days now.

I've never seen one of those style air locks bubble, I suspect by doesn't take much of a gap for enough co2 to escape elsewhere to stop it bubbling. I stopped using an airlock, they're a reasonable indicator but visible krausen and hydrometer readings are a much better way of seeing how fermentation is going IMO.

Top fermenting yeast question

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