If the specific gravity of sake is large as in sake with a large lees content, such as nigoriｚake and origarami, such sake has very low nihonshudo, and it sometimes goes far below zero like "minus 15."
酒糟が多く混ざっている酒、すなわち濁り酒（にごりざけ）やおりがらみのように比重が大きければ、日本酒度は低く、ときに「-15」のように大きく0（ゼロ）を下回る。