The Drop THC from Viola contains a total of 500 mg of THC in a 20 mL dropper bottle. Each drop contains 0.5 mg of THC and . With its metered dropper for accurate and easy titration, The THC Drop from Viola offers discreet, convenient ingestion of your medical cannabis. every bottle is formulated with 25mg/mL of THC and 0.5 mg/mL of CBD water-soluble drops