Pentair Insufficient Rinse / Brine Carryover

Softener produces salty-tasting water after regeneration.

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Possible Causes

Shortened rinse time, High salt dose with inadequate rinse, Drain restriction reducing rinse flow, Incorrect valve programming

How to Fix / Troubleshooting

Safety: Do not drink water that tastes salty until the issue is resolved. No special electrical precautions beyond unplugging for valve work.

  • Check programming: Ensure the rapid rinse and/or brine rinse times are set to Pentair specifications for your model.
  • Drain flow: Confirm strong flow at the drain during rinse cycles. Clean the Pentair drain flow control and drain line if restricted.
  • Salt dose: If using a very high salt setting, reduce the salt dose to a level appropriate for your hardness and capacity needs.
  • Flush system: After adjustments, run several tankfuls of water through the system to clear residual salt.
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Repair Difficulty

Easy 2/5

Required Part

Pentair drain flow control
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