What is it? Seems to grow out of some wooden areas in the room. I’ve tried peroxide and bleach. Would a steamer help? Sorry in advance for the bad picture quality.

  • @[email protected]OP
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    15 months ago

    I had given it a thought that it may be crystallized salt from the marine air, but it doesn’t dissolve. The clusters are almost hydrophobic in water at first but end up as a suspension when stirred around, i.e. not soluble.