How to Remove Odors from Glasslock Containers and Lids
By Eco Friendly Glass Containers - Glasslock | Published: 2026-10-16
Category: Tips & Care
Lingering smells in glass food storage usually come from the lid, not the glass. Here is a step-by-step method to remove odors from Glasslock containers and clean the lids without damaging them.
Quick answer
Wash the glass base and lid separately, then soak the glass in a baking soda solution and the lid in a diluted vinegar solution. Most lingering smells come from the silicone gasket in the lid, so cleaning the lid thoroughly matters as much as cleaning the glass. For everyday odors, a 30-minute soak is enough; for strong smells, repeat once.
Why glass food storage still smells after washing
Glass itself does not absorb odors the way plastic does, but it can hold onto smell through two paths: a thin film of oil left in corners and seams, and the lid. The lid is usually the real culprit. Its silicone gasket traps food oils and aroma compounds, and a quick rinse does not reach the inner groove where the gasket sits. That is why a container can smell clean while the lid still carries the odor of last night's curry.
Before you treat anything, check the lid for trapped debris. If food has dried in the gasket groove, no amount of soaking will work until you loosen it first. Also note that gaskets are not sold as a separate replacement part, so you cannot simply swap out a smelly gasket. You can only replace the whole lid, which makes careful cleaning the better first move.
What to use and what to avoid
Baking soda and white vinegar are the two most useful household options. Baking soda is mildly alkaline and helps break down acidic food residues, while vinegar is acidic and helps cut through oily films. Used separately, they cover most odor problems. Mixed together in one bowl, they mostly just fizz and neutralize each other, so keep them in separate steps.
Avoid abrasive scouring pads on the glass and never scrub the silicone gasket with anything sharp. A soft bottle brush or the corner of a sponge is enough. Skip bleach on the gasket, since silicone can hold onto the bleach smell and transfer it to your next meal. Hot water is fine for glass, but very hot water can distort a lid that is still warm from the dishwasher, so let lids cool first.
How to dry and store containers so odors do not return
Trapped moisture is the most common reason a smell comes back a day later. After washing, stand both the glass base and the lid on a drying rack with the gasket side facing up so air can reach the groove. Do not stack lids flat on top of each other while damp.
Store containers with the lid off, or place a small piece of paper towel inside and rest the lid loosely on top. Sealing a fully dry container is fine, but sealing one that is even slightly damp traps that stale, closed-in smell. If you store containers in a cabinet with strong odors of their own, such as spices or onions, keep the lids off until you use them.
Step-by-step odor removal
- 1. Take the lid off and separate the parts: Remove the lid from the glass base and, if your lid allows it, gently lift the silicone gasket out of its groove. Rinse both under warm running water to remove loose food. Checkpoint: if you cannot remove the gasket without forcing it, leave it in place and clean around it with a soft brush instead.
- 2. Wash the glass with baking soda: Sprinkle a tablespoon of baking soda into the container, add warm water, and wipe the inside with a soft sponge, paying attention to corners and the rim. Let it sit for 30 minutes. Common mistake: using a scouring pad. It can scratch the glass and create places for residue to hide.
- 3. Soak the lid in diluted vinegar: Mix one part white vinegar with three parts warm water in a bowl and submerge the lid and gasket for 15 to 30 minutes. Swish it occasionally so the solution reaches the groove. Common mistake: soaking the lid in undiluted vinegar for hours. That can leave its own sharp smell behind.
- 4. Rinse everything thoroughly: Rinse the glass and lid under warm water until no baking soda grit or vinegar scent remains. Pay extra attention to the gasket groove, where residue collects. Checkpoint: smell the lid, not just the glass. If the lid still smells, repeat steps 2 and 3 once.
- 5. Dry with airflow, not a towel: Stand the glass upside down and lay the lid gasket-side up on a rack. Let both air dry completely before storing. Common mistake: drying with a kitchen towel that already smells like yesterday's food. Air drying avoids transferring odors back.
- 6. Store open until fully dry: Once dry, store the container with the lid off or resting loosely on top. Only seal it when you are ready to fill it. Next step: if the smell returns within a day, the lid is the likely source. Check the model number on the bottom of the container and consider a replacement lid.
Replacement lids and container sizes
- Rectangle Lids: Lid sizes correspond to the model number located on the bottom of your glass container (letters followed by the first three digits). The color of the lid and/or silicone gasket may vary. Gaskets are not available as a separate replacement part; only the whole lid can be replaced. If cleaning does not fully remove the smell, replacing the lid is the practical fix. Check the model number on the bottom of the container before ordering, and expect that the gasket itself cannot be bought alone.
- MHRB-270 Glasslock Handy Rectangle 11.5 cups: MHRB-270 Glasslock Handy Rectangle holds 11.5 cups (2.88 qt) and measures 9-1/8 by 7-3/4 by 4-1/2 inches high. It is not for use in the oven. This large rectangle is handy for batch storage, but because it is not oven safe, do not try to bake away odors. Clean it with the soak method instead.
- OCST-165 Glasslock Oven Safe Square 6.0 cups: OCST-165 Glasslock Oven Safe Square holds 6.0 cups (1.5 qt) and measures 7 inches square by 3 inches high. Its oven-safe glass can handle warm cleaning water and normal washing, but the lid should still be cleaned separately and never heated in the oven.
