Rainbow Fuel, a standout strain crafted by the innovators at Grounded Genetics. 7 Gram Bag. This marvel of cannabis breeding springs from a lineage steeped in potency and flavor, combining the famous Gary Payton and the exceptional Zunami. Gary Payton, itself a blend of Y Life and Snowman, and Zunami, a fusion of Zkittlez with Gelato 41 and Sunset Sherb, come together to create a strain that's as colorful in history as it is in appearance.