Are bottle conditioning and secondary conditioning the same thing?

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bgpbrew

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So going over the mechanics/chemistry/biology of all of these fermentation and conditioning processes, I've begun to wonder-- why do a secondary conditioning at all? Why not just bottle and allow the conditioning to happen there in each bottle? Is the conditioning that happens there different from using a secondary?

A second and related question is: so after bottling with priming sugar, aren't the yeast back in fermentation mode and producing all the esters, diacetyl, etc that the secondary conditioning was supposed to remove (and may again just be removed by bottle conditioning)?

Thanks for any ideas.
 
So going over the mechanics/chemistry/biology of all of these fermentation and conditioning processes, I've begun to wonder-- why do a secondary conditioning at all? Why not just bottle and allow the conditioning to happen there in each bottle? Is the conditioning that happens there different from using a secondary?

A second and related question is: so after bottling with priming sugar, aren't the yeast back in fermentation mode and producing all the esters, diacetyl, etc that the secondary conditioning was supposed to remove (and may again just be removed by bottle conditioning)?

Thanks for any ideas.

A seconday ferm is not necessary at all. Moving to seconday is most useful when you are adding additional ingredients such as dry hops, oak, etc. It could also be called a brite tank, as the beer will continue to clear in secondary. Another reason is for bulk aging. During this process, the beer is usually moved off the trub from primary and aged all together. Aging will occur differently in bottles due to temp and volume. Bottle conditioning is carbonating in the bottle with sugar, then aging (if necessary).

The fermentation that occurs in the bottle with priming sugar is so small and fast that any off flavors produced are undetectable.
 
Along the same line of thinking, not meant to be thread hijack, is cold crashing your secondary the same as chilling your beer for drinking? My assumption is that both work but the crashed bottles will have sediment?
 
hmmmm, so the benefits of bulk conditioning are a myth?


Which benefits?

The only the only downside to letting the sediment fall in bottles instead of a carboy would be effects seen after 1 year in the bottle. This would only be due to the oxygen that is in the bottle. There would also be a slight very slight flavor from the sediment of dead yeast, but this only effects a very small bit of the beer near the bottom assuming the bottles were stationary. But who really sits on homebrew for a year anyways?

I suppose if you had like a barley wine or something that the yeast would take a long time to drop, then limiting the time in the bottle exposed to oxygen would be beneficial.
 
Which benefits?

The only the only downside to letting the sediment fall in bottles instead of a carboy would be effects seen after 1 year in the bottle. This would only be due to the oxygen that is in the bottle. There would also be a slight very slight flavor from the sediment of dead yeast, but this only effects a very small bit of the beer near the bottom assuming the bottles were stationary. But who really sits on homebrew for a year anyways?

I suppose if you had like a barley wine or something that the yeast would take a long time to drop, then limiting the time in the bottle exposed to oxygen would be beneficial.

There are many benfits to bulk aging. Your beer conditions faster and more uniformly by bulk aging. I have many beers that I let sit for a year or longer, there are many that are best when they have sat that long. And its not about letting the yeast drop out, that happens quickly in the fridge, it is about blending the flavors, and there are no bad flavors in the beer on the bottom of the bottle.
 
One more question-- so would the advice about not using a secondary be the same whether I use a carboy or bucket for my primary fermentation?
 
bgpbrew said:
One more question-- so would the advice about not using a secondary be the same whether I use a carboy or bucket for my primary fermentation?

Yes. In general, regardless of your primary, if its going to bulk age less than a few months, you can do it in either a carboy or bucket. If you DO want to transfer it to a secondary for the adding of ingredients or very long term bulk aging, the recommendation is to transfer to a container with very little head space and low oxygen permeability, such as a smaller carboy. But unless your aging more than a few months, plastic is fine.
 
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