Aging Wine In Glass Carboys. I have a Supertuscan in my basement which I originally blended 2 years ago and its still in a carboy racked twice. Glass Plastic Carboy.
It is when you transfer your wine out of your primary plastic fermenter usually to a glass carboy for a broad ranging period of time depending on your wine and or wine recipe for bulk aging de-gassing and multiple rackings to periodically remove sediment and solids from your wine. Rock-solid wildly durable and easily sanitized when cared for. This can lead to strange off-flavors.
Its important to have a container with a neck of some sort so that the head-space or air gap can be mitigated as the bottle becomes full.
Cooler is better but cool room temperature is fine. If you dont filter rack your wine off the sediment. Siphonless Big Mouth Bubbler EVO 2 - 5 Gallon Glass Carboy. The glass carboy and plastic carboy have long been the preferred fermentation vessels for many homebrewers.