The addition of sodium hydroxide to the city’s water is expected to take place later this year with the cost of $264,000 per year to be included in the 2018 city budget.

The relationship between sodium hydroxide and copper is well known, says a chemistry professor at Laurentian University. The interaction of the metal with the chemical is being closely watched by ...

Sodium hydroxide is the chief ingredient in liquid drain cleaners. It is very corrosive and can cause irritation to the skin and eyes, along with temporary loss of hair.