Moderately hard water is measured in a hardness range of what?

Moderately hard water is indeed measured in a hardness range of 61 to 120 mg/L as calcium carbonate. This classification reflects the concentration of dissolved minerals, particularly calcium and magnesium, in the water.

Water hardness is significant because it affects various water uses, such as household appliances, plumbing, and industrial processes. Understanding the hardness of water helps in preparing for potential scaling in pipes, the effectiveness of soaps and detergents, and overall water quality management.

In this context, moderately hard water indicates a balanced level of hardness where, while there may be some scaling potential, it is generally manageable for most applications without causing significant problems associated with harder water. The measurement in mg/L as calcium carbonate provides a standardized way to communicate and assess water hardness across various sources and usages.