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Please help used Muriatic Acid to clean blue stone was planing to seal after but every time it rains this white substance appears until cleaned with water : r/stonemasonry
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Solid bluestone foundations and other memories of a Melbourne girlhood, 1908-1928: Fitzpatrick, Kathleen: 9780333338797: Amazon.com: Books
![Please help used Muriatic Acid to clean blue stone was planing to seal after but every time it rains this white substance appears until cleaned with water : r/stonemasonry Please help used Muriatic Acid to clean blue stone was planing to seal after but every time it rains this white substance appears until cleaned with water : r/stonemasonry](https://preview.redd.it/n1fnvg1zmmx71.jpg?width=3024&format=pjpg&auto=webp&s=a1238097fedced197c55ceb198a90096a98a9c20)