I am familiar with the idea ( What's the halachic advantage of double (or triple) wrapping food? ) that double-wrapping is necessary for a halachic separation in certain kashrus contexts. However, does this apply only to hot/liquid food? Or must one also double-wrap food before placing it on a countertop or in the fridge (i.e., with food that is either non-kosher or of the other moiety)?

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    My understanding from reading the article is that the main problem comes from the steam / vapors, which would not occur with cold items. It may be a question if you place hot soup into the fridge where cold items are. For that matter, perhaps by that logic, what if you have an open hot pan of lasagna on your kitchen counter. Can you put the pan of hot chicken on top of it?
    – DanF
    Dec 18 '15 at 14:10
  • FWIW I just wait till the food cools and never place it on the 'wrong' counter on principle. But if it comes down to 2 wraps or 3 it would probably take a Ravs interpretation. Some variables may come into play that we are not privy to such as how thick is the wrap? Did you wrap it around the entire bowl / pot or is it clinging to the top. Imo to be 'sure' you would need a rav.
    – Yossi
    Dec 18 '15 at 14:45
  • Similar: judaism.stackexchange.com/q/14685
    – msh210
    Dec 18 '15 at 16:49
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    I have separate drawers and shelves and I wrap each shelf in aluminum foil. Then wrap and contain everything on its dedicated shelf / drawer
    – Yossi
    Dec 24 '15 at 5:14
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    I am makhmir gadol!!
    – Yossi
    Dec 24 '15 at 5:16

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