A little rust on brick

[James Pop]

Been playing around with F9 to get rust off of brick. I've been looking for the optimum process. The mailbox took a couple of wet, spray, agitate, & rinse iterations. Does anyone use a different process?
James

 

[Rapid HotClean]

Nice Florida rust stain removal work!

 

[Craig]

Been playing around with F9 to get rust off of brick. I've been looking for the optimum process. The mailbox took a couple of wet, spray, agitate, & rinse iterations. Does anyone use a different process?
James

Brick like that (dense brick) you could go 1:2. Spray on and it'll be gone in 2 minutes. You might need to hit it again and then rinse.

There are many different processes to use, but I think the best one is the one that works and causes no damage. Always test.


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[Doug Rucker]

We use same process but have never had to agitate.

 

[James Pop]

I did the agitation because I noticed a white filmy look to some darker brick I worked on prior. That seemed to take care of it.