I have a new brick wall but large areas are becoming covered in white salty deposits; I want these removed - how can I do it? Update Thanks Niall. Just out of interest, can acid do damage to bricks? ...
I've got a brick walkway that has parts that are in shade most of the day. Our winters are wet and cloudy and during these times it's not uncommon for the shady parts of the walkway to grow a fair ...