Water Softener- softens hard water and to gets rid of calcium-magnesium build up. Which can lead to white build up on fixtures/shower heads? Problematic hardness overtime is also hard on the appliances and water heater from the calcium build-up.
Sediment filters– Will take the sediment from water. Particulates that comes up through the well water and into your plumbing system. This comes in an in-line-filter that the customer would have to change on a regular basis depending on how bad the sediment issues are OR a backwashing system that will clean itself.