Technivorm Moccamaster Heavy Mineral Content / Scale Shedding

Water appears cloudy or has white flakes after brewing

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Possible Causes

Severe lime scale buildup in boiler flaking off, Hard water minerals precipitating, Infrequent descaling, Use of unfiltered hard tap water

How to Fix / Troubleshooting

Safety: Do not drink the cloudy coffee; discard and clean the machine.

  • Descale thoroughly:
    • Run multiple descaling cycles back-to-back using a manufacturer-approved descaler.
    • Flush with several reservoirs of fresh water until water runs clear.
  • Use filtered water: Switch to filtered or softened water to reduce future buildup.
  • Inspect outlet arm and reservoir: Clean any visible deposits.
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Repair Difficulty

Very Easy 1/5

Required Part

Descaling Solution (for Boiler Maintenance)
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