SG too low?
That was my experience with a previous Cellar Craft Amarone.
However - I just started a Cellar Craft Nebbiolo - and the SG reading never went past 1.088 (Measured with a refractometer - Brix 21.2).
Readings were done at approx 0, 6 hours, 12 hours, and 24 hours after pitching...