What would be the best definition of temporary hardness in water?

Temporary hardness in water is characterized by the presence of calcium and magnesium bicarbonate, which can be removed through boiling. When water containing these bicarbonates is heated, they decompose into insoluble carbonate salts, which precipitate out of the solution. This process reduces the hardness of the water, making it "temporary." In contrast, other types of hardness, such as permanent hardness, involve sulfate or chloride compounds that do not precipitate upon boiling, thus remaining in the water regardless of temperature changes or treatment. The distinct nature of temporary hardness is key in water treatment processes, as it can be effectively managed through methods such as boiling, unlike permanent hardness that poses different challenges.