Quick answer
Hand wash your Cirkul 42oz Stainless Steel Bottle with warm soapy water and a bottle brush after each use. The Comfort Grip Lid needs gentle cleaning around the seal to prevent mold and keep the grip working.
Why stainless steel needs different care than plastic
Stainless steel is non-porous and resists bacteria better than plastic, but it can still trap odors from leftover flavor cartridges or prolonged sitting. The double-wall insulation that keeps water ice-cold for up to 8 hours also means you should avoid extreme temperature changes during cleaning. Never put your Cirkul 42oz Stainless Steel Bottle in the dishwasher — the high heat can damage the vacuum seal and the Comfort Grip Lid's silicone components.
What to have on hand
A long bottle brush, mild dish soap, warm water, and a soft cloth or sponge are all you need. For deeper cleaning, white vinegar or baking soda can help remove stubborn odors without harsh chemicals. Avoid abrasive scrubbers that could scratch the stainless steel finish.
How to clean your Cirkul 42oz Stainless Steel Bottle & Comfort Grip Lid
- Disassemble everything: Remove the Comfort Grip Lid from the bottle. Take out any flavor cartridge and the straw if you use one. Rinse all parts with warm water to remove loose residue. A common mistake is cleaning the lid while it's still attached — food and moisture can hide in the threads and seal.
- Wash the bottle body: Fill the bottle with warm water and a few drops of mild dish soap. Use a long bottle brush to scrub the interior, especially the bottom and around the neck. Rinse thoroughly with warm water until no soap remains. If you notice a metallic taste, you may not be rinsing enough. A final rinse with a diluted vinegar solution (1 part vinegar to 3 parts water) can neutralize any lingering soap.
- Clean the Comfort Grip Lid: Wash the lid with a soft sponge and soapy water, paying attention to the silicone gasket and the area where the flavor cartridge sits. Use a small brush or cotton swab to reach crevices. Rinse well and shake off excess water. Never submerge the lid in water for long periods — the grip material can degrade. Avoid getting water inside the lid's vent hole.
- Dry completely before reassembling: Place the bottle upside down on a drying rack and let the lid air-dry separately. Make sure both are fully dry before reattaching the lid or inserting a new flavor cartridge. Storing the bottle with moisture inside is the fastest way to develop odors or mold. If you already have an odor, sprinkle baking soda inside, add warm water, let it sit overnight, then rinse.
Product facts
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42oz. Stainless Steel Bottle & Comfort Grip Lid: Cirkul's stainless steel bottle keeps your water ice-cold all day long while you enjoy refreshing, delicious hydration. Double-walled, insulated stainless steel Capacity: 42oz. Keeps water ice-cold for up to 8 hours. The double-wall insulation means you should never use boiling water or a dishwasher, as that can break the vacuum seal and ruin the temperature retention.
42oz. Stainless Steel Bottle & Comfort Grip Lid
