Experiencing persistently hard water despite owning a water softener is usually caused by a bypassed control valve, an exhausted resin bed, or a complete lack of salt dissolution. If the manual bypass valve is accidentally left in the "bypass" position, raw water flows straight into your home without treatment. Additionally, if your water softener hasn't been programmed correctly for your specific grain hardness level, or if iron buildup has permanently coated the plastic resin beads, the system loses its ion-exchange capacity entirely. Verification: Check the bypass valve handle position and run a manual regeneration cycle.
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