human
What's an argument for and against the use of a water softener?
assistant
Argument for using a water softener: 
1. Improves the taste of drinking water.
2. Reduces scale buildup in pipes, appliances, and plumbing fixtures.
3. Reduced hardness can improve the performance of your dishwasher and washing machine.
4. Reduced mineral deposits on dishes and cookware.
5. Reduced soap scum in bathtubs and showers.
6. Reduced chlorine consumption from hard water.
7. Reduced energy costs due to reduced heating element corrosion.
8. Reduced stress on hot water heaters.
9. Reduced risk of bacteria growth in hard water.
10. Reduced risk of pipe blockages.
Argument against using a water softener:
1. Cost - A typical residential unit can cost $500-$1000 or more.
2. Hardness levels - Some people prefer hard water with high calcium and magnesium content because they feel it is better for their skin and hair.