https://chemkraft.ir/en/page/7/
Iran Chemkraft Home representative office producer and distributor of chemicals for paper and Metal industries Product range of Caustic Soda
caustic sodasodium hydroxide
https://www.cnn.com/2021/02/08/us/oldsmar-florida-hack-water-poison/index.html
Feb 9, 2021 - The hacker attempted to increase the sodium hydroxide, or lye, levels in the water supply.
florida watersystemhacksomeonetried