Hard Water

{
  "id": "MLC-T-ENV-012843",
  "term": "Hard Water",
  "field": "Environment",
  "definition": "1. Alkaline water containing dissolved salts that interfere with some industrial processes and prevent soap from lathering. Water may be considered hard if it has a hardness greater than the typical hardness of water from the region. Some textbooks define hard water as water with a hardness of more than 100 mgAL as calcium carbonate.\n\n2. Alkaline water containing dissolved salts that interfere with some industrial processes and prevent soap from sudsing.\n\n3. Alkaline water containing dissolved salts that interfere with some industrial processes and prevent soap from lathering.",
  "subject": "Air",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "Terms of Environment",
    "I-BEAM Glossary of Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/hard-water/"
}