Sour Chem, also known as "Chemdog Sour Diesel," "Chemdawg Diesel," and "Chem Sour," is a sativa-dominant hybrid marijuana strain from Reservoir Seeds that combines champion genetics from Chemdog D and Sour Diesel. With a sharp sour bite, Chemdog Sour Diesel has a funky fuel and earthy pine aroma that stuns the senses.