Investigations are underway after unknown culprits tried to poison the water supply of a city in Florida, officials said. The water treatment system in the city of Oldsmar in Pinellas County was hacked remotely on Friday, Jan. 5, and the amount of sodium hydroxide, also known as lye, was increased to more than 100 times its normal levels, Pinellas County Sheriff Bob Gualtieri said at a press conference on Monday. Sodium hydroxide is used in small amounts to control acidity in water, but can be corrosive in larger amounts and is found in household cleaning supplies, including drain and over cleaners. “This is somebody who is trying, as it appears on the surface, to do something bad. It’s a bad act. It’s a bad actor,” he told reporters. “This isn’t just, ‘Oh, we’re putting a little bit of chlorine or a little bit of fluoride, or a little bit of something,’ we’re basically talking …