Beer Carbonator Circulating Pump In-line Oxygenation Homebrew Gas Fermentation Pump Secondary Fermentation Speed Up Carbonated Beer Carbonator Circulating Pump,In-line Oxygenation Homebrew Gas Fermentation Pump, Secondary Fermentation Speed Up Carbonated Why We Need Gas Fermentation Pump? Speed up the process of gas fermentation while keeping the taste of the liquid unchanged . Simple new way to carbonate a 5 gal keg of beer in less than an hour! No risk of over carbonation! Great for all beer styles! Easy to clean and sanitize. Difference Between Gas Fermentation and Sugar Fermentation ? Gas fermentation liquid is more clearer The taste of gas fermentation will be more comfortable and the degree of carbonization will be better Before You Use: Please use stainless steel wine barrels with pressure relief valves, do not use for disposable barrels such as plastic Before use, put the PVC pipe in warm water to soften it will makes it easier to connect with the thread and barb Be sure to clean and disinfect pipelines and pumps before and after use. _x000D_