What are "Potassium Salts"? Does it come as a solution or do you have to mix it?
From: J Rawot
City: Elmhurst, IL
I heard that a bleach solution would work too, but am afraid that it will discolor the bricks? What mixture of bleach and water would be best? How do you apply it?
From: izelle lizan
City: san pablo, AZ
im doing a research project about pavers. Can you help me sir.
