Capresso Biofilm / Mineral and Bacterial Build-Up

Capresso coffee maker’s water reservoir develops a cloudy film or bad odor.

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Possible Causes

Using non-filtered water and infrequent cleaning, Leaving water standing in tank for long periods, Algae or bacterial growth, Heavy mineral deposits

How to Fix / Troubleshooting

Safety first: Unplug the machine before removing the reservoir. Do not use harsh chemicals that are not food-safe.

Steps:

  • Empty and rinse: Discard any standing water and rinse the reservoir with warm water.
  • Clean with mild detergent: Wash the reservoir with warm soapy water using a soft sponge. Rinse thoroughly.
  • Descale: Run a descaling cycle through the machine to clean internal water paths.
  • Use fresh water: Always use fresh, preferably filtered water and avoid leaving water in the tank for days.
  • Replace if stained: If the reservoir remains cloudy or retains odor, replace it with a new Capresso water tank.
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Repair Difficulty

Very Easy 1/5

Required Part

Water Reservoir
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