White buildup around your faucets? Water you do not enjoy drinking? Those can be two different problems—and the same system may not solve both.
The quick answer
| Mineral buildup? | A properly sized softener addresses hardness. |
|---|---|
| Chlorine taste or odor? | Choose a filter rated for that concern. |
| Both problems? | Softening and suitable filtration can work together. |
What does a water softener do?
A standard salt-based softener removes calcium and magnesium—the minerals that make water hard. That helps reduce mineral scale.
A softener does not disinfect water or replace a filter selected for chlorine.
What does a water filter do?
Filters do different jobs. Carbon filtration often targets chlorine taste and odor. Standard carbon filtration does not remove hardness minerals.
Check what the exact model reduces. Chlorine and chloramine are different claims.
Where does reverse osmosis fit?
Kitchen reverse osmosis (R/O) treats drinking water at its connected tap. Depending on the model, it can reduce dissolved substances that ordinary carbon filtration does not.
An under-sink system does not treat your showers or the rest of your home.
Do you need both?
If your home has hard water and you also want to address chlorine taste, a softener and a suitable filter can solve those separate concerns.
San Antonio and Austin
Start with your water provider’s report, then test hardness at your home. Nearby cities and private wells can have different water.
Before you compare prices
- Your concern: hardness, taste, odor, sediment, or a specific substance?
- Where: the whole home or mainly drinking water?
- Proof: what does this exact model reduce?
- Upkeep: what salt, filters, media, and service will it need?
