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I spent a while trying to figure out which stackexchange site in which to post this question, forgive me if I got it wrong.

A number of scholarly articles indicate that concrete can leach calcium compounds under the right conditions. Could they ever wick upwards against gravity through dry or water-saturated soil?

An example would be a raised bed of soil with wooden sides and a concrete floor.

P.S. I also wonder about plastics leaching upwards, but this is admittedly most likely a different question.

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    $\begingroup$ Welcome to Chemistry.SE! Seriously, I don't know. Regardless gravity, I had expected some material flow (dissolved salts) from wet soil into the concrete due to capillary forces. But again, I'm definitely no expert on that field. $\endgroup$ – Klaus-Dieter Warzecha May 21 '15 at 5:42

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