Morning Calm Salt Co. Ltd is based in South Korea (Republic Of Korea) and lists a virucidal sanitizer spray on Global Trade Plaza. The product is marketed under the M.C. V Zero brand and uses chlorine dioxide (ClO2) generated from electrolytic electrolyte as the active ingredient. The spray is registered with the U.S. FDA and is described as having virus removal, sanitizing and deodorizing effects each at 99.99%. It contains no ethanol or alcohol, has a pH of 11.4, and the chlorine dioxide is noted as a WHO-recognized food additive. The undiluted solution is offered at a 100:1 dilution ratio in 1-gallon and 2-gallon sizes, with additional ready-to-use volumes of 100 ml, 300 ml and 500 ml.