Does the GF30 have a racking arm? Kim September 27, 2021 07:35 Updated Yes. The dual valve tap has an arm that extends above the yeast and hops to collect a clear sample. Related articles Is there a risk of oxygen contamination after dumping the trub or dry hopping? Calculation - IBU When using the Dual Valve Tap on the GF30, is there enough room to take a sample and dump the yeast? How do I stop air getting sucked back into the airlock when I crash cool the Conical Fermenter? My beer has finished fermenting but is cloudy, what should I do?