Most owners learn about a softener problem from the hard-water side, with spots on glasses or scale on the shower. This guide covers the opposite warning: water that tastes salty, or that feels slick on the skin and will not rinse off soap. Those signs point to a softener that is adding too much sodium or is not regenerating the way it should. Catching it early is easier and cheaper than waiting for the water to turn hard again.
What you are actually noticing
Softened water carries some sodium, so a slight taste is normal. The warning sign is a clear change from how the water tasted after the install. Write down what you notice in plain words: salty at the kitchen cold tap, slippery in the shower, soap that leaves a film, or a taste that is stronger first thing in the morning. A written note is more useful to a technician than a general complaint.
Run a side-by-side taste test
Fill two clean glasses. Take one from the kitchen cold tap and one from a tap that is not on the softener, such as an outdoor spigot or a bathroom tap if your layout allows it. Taste both. If only the treated tap is noticeably salty, the softener is the likely cause. If both taste the same, look at the water source or the plumbing before you blame the unit.
Check the settings against your test report
Find the control panel and note three values: the hardness setting, the salt dose setting, and the regeneration schedule. Compare the hardness setting with the most recent water test you have on file. A hardness setting that is far above what was tested can cause the unit to add more salt than the water needs. Ask the installer or service company to confirm in writing what they set and why. Keep that record with the unit.
Look at the brine tank and the drain
Open the brine tank lid and look at the salt level and whether there is a solid crust or a bridge across the water. Check that the drain line runs freely and that no blockage is backing water up. A brine level that drops fast, or a tank that never seems to lose salt, both suggest the regeneration cycle is not running as scheduled. Note the date you last saw the salt level so you can judge the rate later.
Decide who does what
As the owner, you can watch the taste, record the settings, and check the brine level. The adjustment of the dial, the check of the injector, and the review of the regeneration timing belong to the service technician. Agree on that split with whoever services the unit, so that a salty taste gets reported with the settings and the side-by-side results rather than as a general complaint.
When to ask for a service visit
Call for service if the salty or slick feel is clear in the side-by-side test, if the settings do not match your test report, or if the brine tank shows no salt use over time. If someone in the house follows a sodium-limited diet, ask their doctor whether drinking softened water fits that diet before you change how the water is used.