The answer to 'water softener low water pressure' is that a clogged or malfunctioning water softener is a common cause of low water pressure. The water softener may have accumulated too much mineral buildup, causing it to restrict the flow of water. This can lead to a noticeable decrease in water pressure throughout the home.
Other potential causes include a problem with the water softener's valves, a faulty water softener motor, or an issue with the water softener's control panel. In some cases, the water softener may simply be the wrong size for the home's water usage, leading to insufficient pressure.