Hardness: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
The presence of mineral elements dissolved in water. It is expressed in parts of calcium carbonate per million (ppm) of water. | The presence of mineral elements dissolved in water. It is expressed in parts of calcium carbonate per million (ppm) of water. | ||
[[Category:Glossary]] | |||
Latest revision as of 18:28, 20 January 2007
The presence of mineral elements dissolved in water. It is expressed in parts of calcium carbonate per million (ppm) of water.