How to Safely Clean the Water Tank in Your Espresso Machine

Disclaimer: This technical support is provided for information purposes only. 1st-line Equipment, LLC is not responsible for any injury or damage resulting from such information.

CAUTION: Detergent below is harmful if swallowed. If ingested, drink large amounts of water. In case of eye contact, flush thoroughly with water. Contact a physician in either case. Avoid excessive skin contact. KEEP OUT OF REACH OF CHILDREN OR PETS.

Purpose: To maintain a clean and sanitary water reservoir in your espresso machine. We do not recommend placing your water reservoir in an electric dishwasher unless clearly stated by the manufacturer in the instruction manual.

Frequency: If the machine is used more than once every 3 days, clean every 14 calendar days; if the machine is used less than once every 3 days, clean every 7 days.

Machine identity: These instructions are provided for cleaning a removable water reservoir in a traditional espresso machine.

Requirements before you start: hot, fresh water, mild non-abrasive dishwashing detergent, clean non-abrasive sponge, descaler, sink, dish rack

  1. Front packaging of Puly Descaler - 1 box of 10x25g bags, a coffee machine cleaner. The label includes Italian and English text plus illustrations of a kettle and espresso machine—descaler bags for convenience. © 2025 1st-line.comPower off your espresso machine and unplug the electrical cord from the wall outlet.
  2. Remove the water reservoir from the espresso machine per the manufacturer’s instructions
  3. Inspect the water reservoir for cracks, damage, algae, or a white film (limescale).
  4. If the water reservoir has a crack, algae, or damage, please replace it.
    NOTE: Most manufacturers will not cover cracks in plastic or damage under warranty.
  5. If the water reservoir has a white film, please descale the reservoir using Puly Cleaner (descaler) and rinse.
  6. Place 1 teaspoon of mild, non-abrasive dishwashing detergent and fill with hot water until the soap suds reach the top of the reservoir.
  7. Use a clean, non-abrasive sponge dipped in cleaning solution in the water reservoir to clean inside and outside of the water reservoir.
  8. Drain cleaning solution in the sink
  9. Rinse the water reservoir under hot, fresh running water
  10. Turn the water reservoir upside down on a dish rack to allow it to fully air dry.
  11. Fill the reservoir with your water and instal back into the espresso machine.