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Getting the smell out of silicone ice cube trays

Hi Hotliners,

I have some silicone ice cube trays, like the ones used at bars to make large, square ice cubes. The problem is these trays have a very plasticy smell, and the ice cubes take on the flavor, such that it alters the flavor of a drink when the cube melts fully. I have had these for over a year, washed them thoroughly in soap and water, but they still have the same smell and flavor.

It's worth noting that my normal ice cube trays don't have any issues, so it is an issue with the tray, not just "freezer smell".

Anyone have any ideas? Thanks so much!

asked by Brady Klopfer 10 months ago
8 answers 1619 views
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cv
added 10 months ago

I would try making a batch of vinegar water ice cubes, maybe 50% distilled white vinegar and 50% water and see if that neutralizes the odor.

A baking soda/water combo might also be useful. Also, you might consider borax. although I don't know how the latter will react with silicone (which is generally pretty non-reactive).

Good luck.

23b88974 7a89 4ef5 a567 d442bb75da04  avatar
added 10 months ago

awesome, thank you so much! I will definitely try this.

88afa98e fd9c 4e61 af72 03658638b6cb  eight ball 600px
cv
added 10 months ago

You'll have to read the manufacturer's instructions for temperature tolerance, but the silicone ice trays may be able to handle some heat.

You might try bringing the vinegar/water mixture to a boil, let it cool a bit (but not all the way back down to room temperature), then putting the ice trays in the hot bath.

If you do freeze the vinegar water, I would fill these to the rim, and put the tray on a sheet pan/etc. to handle spillage once the liquid expands.

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dinner at ten

dinner at ten is a trusted home cook.

added 10 months ago

That's odd -- I have a couple of the Tovolo brand ones, and while they do pick up freezer odors easily, they don't have any odor themselves. To prevent the freezer odor from accumulating, I run them through the dishwasher after a use or two; this seems to knock it back better than handwashing although it's not perfect. Maybe this would help with whatever smell the trays started with?

23b88974 7a89 4ef5 a567 d442bb75da04  avatar
added 10 months ago

Hmm, weird! maybe I got a bad batch? Sadly I don't have a dishwasher, but if the other tips here don't work, I'll see if I can borrow a friend's. :) Thanks for the advice!

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Nancy

Nancy is a trusted home cook.

added 10 months ago

I had trouble getting an onion smell out of a silicone container that was supposed to be able to handle raw veg.
Found many solutions at chowhound and ehow (search & you will find)...lemon, milk, baking soda etc.
Work you way through: try one that appeals to you and if that doesn't work, try another.

23b88974 7a89 4ef5 a567 d442bb75da04  avatar
added 10 months ago

Thanks, Nancy, will do!

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added 10 months ago

The same issue crops up all the time with the silicone gasket on some pressure cookers.