If you're a fan of Costco, you probably already have a jug of its maple syrup at home. But where does this Kirkland Signature ...

Grade B syrup has a darker color and deeper flavor ... For those who like a more delicate-tasting syrup, Costco Kirkland ...

Grade A Dark Robust Taste (formerly Grade A Dark Amber) – Darker syrup with a sweet, rich maple flavor. Grade A Very Dark Strong Taste (formerly Grade B) – Dark syrup with a sweet, very robust maple ...