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Science
Science(Water Hardness)
| Question | Answer |
|---|---|
| Hardwater? | Does not lather easily. Tastes nicer than soft water. God source of calcium. Better for brewing and tanning than softwater |
| Softwater? | Lathers easily with soap |
| Calcium ions + soap = | scum |
| Ion exchange? | One of the cheapest ways to remove hardness from water |