Quick answer
Clean your Zojirushi SW-KA52H food jar after every use by hand-washing the lid and body with mild dish soap, then air-dry completely before storing.
Why hand-washing matters
The SW-KA52H's vacuum insulation and Therma Chamber lid are designed for superior heat retention. Dishwasher cycles can be too harsh, potentially damaging the vacuum seal or the matte finish over time.
Hand-washing is quick and keeps the food jar in top condition, so it continues to keep meals hot or cold for hours.
Dealing with stubborn odors and stains
If your food jar has lingering smells from strong foods like curry or garlic, a gentle baking soda solution works well. Avoid bleach-based cleaners, which can scratch the stainless steel interior.
For dried-on food, soak the jar with warm water and a drop of dish soap before scrubbing. Never use abrasive pads or steel wool, as they can damage the surface.
Step-by-step cleaning process
- Disassemble the jar: Remove the Therma Chamber lid from the body. If the lid has a gasket or seal, take it out if possible. Check the user manual for your specific model to see which parts are removable. Always check the manual for removable parts before cleaning.
- Hand-wash with mild soap: Wash the body and lid with warm water and a mild dish soap using a soft sponge or cloth. Avoid abrasive cleaners and steel wool. For the lid, pay extra attention to the threads and seal area where food residue can hide. Never put the jar or lid in the dishwasher.
- Rinse thoroughly: Rinse all parts with clean water to remove all soap residue. Leftover soap can affect the taste of your next meal. Rinse until the water runs clear and no suds remain.
- Dry completely: Air-dry all parts with the lid off and the body upside down. Make sure the interior and the lid are completely dry before reassembling. Moisture can cause odors or mildew. Store the jar with the lid off or slightly ajar to keep it fresh.
- Remove odors and stains: For lingering odors, fill the jar with warm water and a tablespoon of baking soda, let it sit for 15-20 minutes, then rinse and dry. For stubborn stains, use a soft-bristled brush with baking soda paste. Baking soda is a safe, non-abrasive cleaner for stainless steel.
About the Zojirushi SW-KA52H
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18 oz. Stainless Steel Food Jar SW-KA52H: The SW-KA52H features a Therma Chamber lid and superior heat retention to keep food hot or cold for hours. Proper cleaning preserves the lid's seal and the vacuum insulation, so the jar keeps working at its best.
18 oz. Stainless Steel Food Jar SW-KA52H
