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> somehow I knew that we were going to get into the best efflorescence!
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[log in to unmask]" type="cite">The 19th century coastal forts have the best effloresence ; the magazines are sometimes oval but always  arched and below the grade of the coastal guns
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I have a candidate, too. In raking out the 3/8"w mortar joints on a terra cotta structure in Vancouver, workers found that by the next day the entire joint width had been bridged by efflorescence coming from all directions.

Mike E
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