![Hilliard Ohio Police on Twitter: "Think of it visually: 3mg of fentanyl (experts say 2mg to 3 mg is the lethal dose) looks like three grains of salt. With carfentanil, it is Hilliard Ohio Police on Twitter: "Think of it visually: 3mg of fentanyl (experts say 2mg to 3 mg is the lethal dose) looks like three grains of salt. With carfentanil, it is](https://pbs.twimg.com/media/EJcY_adWwAAGhfQ.jpg:large)
Hilliard Ohio Police on Twitter: "Think of it visually: 3mg of fentanyl (experts say 2mg to 3 mg is the lethal dose) looks like three grains of salt. With carfentanil, it is
![Median lethal concentration (LC50) of coarse salt without suspended... | Download Scientific Diagram Median lethal concentration (LC50) of coarse salt without suspended... | Download Scientific Diagram](https://www.researchgate.net/publication/335430917/figure/fig3/AS:839692056526848@1577209595533/Median-lethal-concentration-LC50-of-coarse-salt-without-suspended-bentonite-Clay-after.png)
Median lethal concentration (LC50) of coarse salt without suspended... | Download Scientific Diagram
![Potassium chloride (KCl) salt. Used in lethal injections, fertilizer, as a drug, etc Stock Photo - Alamy Potassium chloride (KCl) salt. Used in lethal injections, fertilizer, as a drug, etc Stock Photo - Alamy](https://c8.alamy.com/comp/MNDH8F/potassium-chloride-kclsalt-used-in-lethal-injections-fertilizer-as-a-drug-etc-MNDH8F.jpg)