What is that white stuff? Its efflorescence and can only be removed via chemical processes

[rezolution]

Grinder with a wire brush on it works great if you don't want to use acid.

[dstewart]

I just ran into this at a friend's home (a brick facade under a porch). Can you elaborate on the product(s) names?

[Progressiveprospective]

Hey man I'm doing a property with brick like this one and plan to apply F9 efflo just have a question can we apply sealer right after applying this stuff??

[tonymenditta]

Is there anything that get efflorescence off brick work