This photo shows a plambic in which the pellicle that was on surface has sunk to the bottom. This is a polycarbonate carboy and the pencil is ther to provide a scale. This beer was approximately one year old at the time and the pellicle was about 1.5 inches thick. Note the "brain" like appearance of the yeast cake. This can also be seen in the various other photos presented here. All of the photos presented here are from the same carboy taken at two different times. The carboy had to be moved to get the photographs and this caused the pellicle to sink.

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