Does the Grainfather Conical Fermenter have a racking arm? Kim September 30, 2020 00:44 Updated Yes. The dual valve tap has an arm that extends above the yeast and hops to collect a clear sample. Related articles Calculation - IBU Is there a risk of oxygen contamination after dumping the trub or dry hopping? Instructions - 30 L Conical Fermenter Pro My beer has finished fermenting but is cloudy, what should I do? When using the Dual Valve Tap on the Conical Fermenter, is there enough room to take a sample and dump the yeast?