a/c drain water rust on brick.

Pressurewasher2014

Pressurewasher2014

New member
I am going to do some rust removal, the back of this house has some rust on the brick from where the a/c was draining. im eventually going to buy some more f9 barc, but until then because of my budget rightnow i have some oxalic acid, would the oxalic work and how should i mix it or is there anything else what about iron out from home depot?
 
f 9 will remove it in less than 2 minutes......real time video on my web site
 
it was only 1 pic. it let me post 1 in the other section but ill keep tryin it might just be a glitch
 
I think you should downstream a mix of soap and grated cheese with hot water. I have a friend who said that worked.
 
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