Cartridge: 510 Thread //|Strain: Watermelon Zkittlez also known as "Watermelon Z " is an indica-dominant hybrid marijuana strain made by a cross of the hugely popular Zkittlez and Watermelon. It offers a wonderful fruity aroma and flavor profile that is mouthwateringly scrumptious. Its high may set in quick delivering a powerful head-rushing euphoria. With its heavy effects Watermelon Zkittlez is best reserved for the end of the day.