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**CtEkM8Vq** · 07-23-2012, 04:49 AM

I have been having some problems with efflorescence since my house was built in winter 2 years ago. It appears as a green "mould" on the surface. In the last couple of months I have noticed a white powder appearing on the bottom course inside the garage.

Is the white stuff also efflorescence?

Where is it coming from?

What is the best way of removing it?

What is the best way of removing the green efflorescence?

07-23-2012, 04:49 AM	#1
CtEkM8Vq Join Date Oct 2005 Posts 531 Senior Member	Efflorescence in masonry I have been having some problems with efflorescence since my house was built in winter 2 years ago. It appears as a green "mould" on the surface. In the last couple of months I have noticed a white powder appearing on the bottom course inside the garage. Is the white stuff also efflorescence? Where is it coming from? What is the best way of removing it? What is the best way of removing the green efflorescence?
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