I've seen conical fermenters in catalogs and on the web, but I've never heard why they are better than fermenting in a glass carboy.
Why would I want to use a conical instead of a carboy?
Topic conical-fermenter fermenter homebrew
Category Mac
Well, I already do all my fermentation in a single container and capture the yeast for reuse and I don't use a conical...I use buckets. Other than the cool factor, I really don't see any advantages to using a conical.
Easier to capture the yeast and store in several sterile containers for re use later on, I use liquid yeast up tp 3 times each container
The cone shape and valve on the bottom lets you remove the trub without transferring containers, so you can do your primary and secondary ferment in the same vessel, or bottle without worrying about the trub.
The bottom valve also makes it easy to remove your beer for bottling and such, so there's no need for siphoning. I think this is mainly advantageous when you get into batches that are a lot bigger than 5 gallons
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