• j4k3@lemmy.world
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    1 day ago

    Label is very faded but just one example:

    I’ve never seen it in a big box store, but small mom and pops type hardware stores here in California have had it around. It seems to be part of a small distribution network and comes from Mexico.

    • ch00f@lemmy.world
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      1 day ago

      Nuts. Never seen H2SO4 used for drains. They don’t call it “oil of vitriol” for nothing. You can actually test a distillation of pure sulfuric because a drop will burn through a paper towel in seconds.