Memo: Make Sure Your Undermount Sink Is Securely Attached To Your Granite Countertop

This undermount sink is separating from the granite countertop

An all too common sight in some remodeled kitchens is that undermount sink that seems to be sagging and detaching from the granite countertop. This means that water is almost surely leaking below into the cabinet and will be causing mold and mildew buildup before long, unless the issue is corrected.

Why does this occur?