150mg THC - 1,650mg CBD - 750mg CBG - 450mg CBC The Harney Brothers Calm Tincture (150mg THC) is a high-potency, multi-cannabinoid blend designed for relaxation and mood enhancement. While your request mentions "0.15g," this product is standardly marketed as a 150mg THC formula (which equals 0.15 grams of THC) in a 30mL bottle.