Yes, running diluted white vinegar through a water softener is a safe and effective way to clean and descale the system. Vinegar (acetic acid) helps dissolve mineral scale and iron buildup accumulating inside the resin mineral tank, control valve, and brine well. To clean your brine tank, let it run low on salt, pour a half-gallon of white vinegar directly into the brine well, and initiate a manual regeneration cycle. However, avoid using harsh industrial acids like muriatic acid, which can permanently destroy the plastic resin beads and internal rubber seals. Verification: Consult your owner's manual to ensure vinegar cleaning is compatible with your specific control valve model.
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