Gruntz features a tropical flavor profile, with undertones of grapefruit and chemicals. The effects of Gruntz last longer than your average strain. Take it easy smoking Gruntz until you have an understanding of how it makes you feel. Gruntz is well-known among users who suffer from manic depression due to its ability to even out the most chaotic mood. It was bred by an unknown grower from Gelato and Zkittlez and remains a bit of a mystery as a result of being hard to find on local markets. The Runtz strains in general are bred from Cannabis Cups winners, making Gruntz cannabis royalty when it comes to potent, delicious strains. Provided you can find some.