AAA+ Sour Chem OG By Green Valley Smalls - 26% THC The Sour Chem high is just as vibrant and eye-opening as the flavor, with long-lasting effects that hit both mind and body with a high level of potency thanks to its 22-26% average THC level. The Sour Chem OG high comes on with a rush of cerebral effects that fill your mind with a warming sense of tingly euphoria and creative energy. As your mind soars higher and higher with no ceiling, you may start to feel slightly frenzied and anxious, so mind your dosage! A relaxing body high accompanies this heady effect, anchoring you to the world below as your mind soars higher and higher.