21. A liner would stop this erosion, and will also reduce or stop the efflorescence . 22. A : The white powder is efflorescence . 23. The houses are channels for romantic efflorescence . 24. In other words, it could be efflorescence , lime being leached out by water. 25. However, if the source of the water penetration is not addressed efflorescence may reappear. 26. Salt efflorescences of calcium carbonate were treated by the application of a solution of dimethylformamide. 27. Not all species of " Vermilacinia " that produce the diterpene exhibit efflorescence . 28. In addition, white crusts and efflorescences appear on the lower sections of these walls. 29. Some 24 tiles are involved, and there is efflorescence ( white powder ) under them. 30. A : Chances are your problem is caused by dampness that creates efflorescence in that wall.
