Deep Cleaning: How to remove tea stains and odors from Qi Aerista Smart Brewer

Regular upkeeping of a product is essential for its consistent performance. Qi Aerista Smart Brewer is no exception.

Thanks to suggestions from our wonderful backer Fiona from Hong Kong, we have found an ideal cleaning agent for deep cleaning the Qi Aerista Smart Brewer!

This mildly alkaline cleaning agent is manufactured by Japanese company Zojirushi and it is specifically designed for use in stainless steel bottles to remove stains and odors. 

Let us show you the before and after difference of using the cleaning agent for the infuser and pot.



Qi Aerista smart brewer pot

 How does the cleaning agent work:

Inside each package there are 4 pouches of cleaning powder, each weighing 10 grams/0.35oz. To clean the Qi Aerista Smart Brewer, you will need 2 pouches. Please follow the instructions below to ensure proper cleaning.

1. Clean the infuser, filter and flow tube

  • Dissolve 1 pouch in up to 1 liter/35oz of warm water at 40C/104F or lower. DO NOT use hot water (60C/140F or over), as it may cause scalding.
  • Let the infuser, filter and flow tube soak completely for 2 hours inside a deep bowl or similar container.
  • Thoroughly rinse and clean afterwards.

2. Clean the pot

  • Dissolve another pouch in up to 1 liter/35oz of water at 40C/104F or lower.
  • Pour the solution inside the pot up to the MAX level and leave it for 2 hours.
  • Thoroughly rinse and clean afterwards.

3. Reassemble the Qi Aerista Smart Brewer

After the completion of Steps 1 and 2, please reassemble the brewer correctly according to the user guide. You can also referred to our Blog on Assembling Your Qi Aerista Brewer.

4. Auto-clean

Run the ‘Black’ cycle 2 times with 2 cups of fresh water, discard the water. Afterwards the brewer is ready to brew your tea.


Qi Aerista smart brewer cleaning





Don't forget to wear a pair of gloves when working with the cleaning agent and during washing.


The Zojirushi cleaning agent is available on Qi Aerista e-shop or Amazon. Caution for using this cleaning agent as indicated in the packaging of this product:

  • Keep out of the reach of children
  • Do not use hot water (60C/140F or over), as it may cause scalding, etc.
  • Do not ingest. If ingested, drink milk or swallow a raw egg. If product contacts eyes, immediately flush under running water. In either case, consult a physician.
  • If product contacts skin, please wash thoroughly with water.

From our experience, after this deep cleaning process, the Qi Aerista Smart Brewer can remain clean for quite some time. Happy brewing! Should you have any questions, please shoot us an email at at

1 comment

Ken Dillman

Thanks for printing the instructions in English. The product I received from Amazon was completely in Japanese.

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