This was a pretty dark brown rust spot. She had left a piece of a grill on the ground. I had not tried ox on anything but wood before so i didnt think to bring a wire bruch i did use my stiff acid brush on it with no luck. Im sure f9 will work after seeing it remove rust off thise shingles with rick.
I dont dilute it at all when I’m removing rust put it in a spray bottle and apply.
I buy it from pressure works its actually called rust remover but all it is is ox acid sorry should have been more specific
Ah I’m using oxalic powder in water from Florida labs. I haven’t used rr+ or f9.
This was power form from Florida labs. Maybe the stuff you use is stronger. Lume bright worked extremely well with only a minute dwell time so im definitely just going to do it with it.
I did feel cool mixing up powers in pump up sprayers and telling the customer to stand back its acid. When the ox didnt work i had went back to the trailer and grabbed a pump up that had water in it. When i went to rinse it out some water splattered near him and he about jumped out of his shoes.
Lol I was the exact opposite I forgot stiff brush remembered I had a wire brush in the truck from winter paint job lol. If it was darker concrete around the pool I probably wouldn’t wire brush just because it might leave lighter scratches.
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Who did you get the lume bright from?
My local vendor its just concentrated aluminium brightener ( hydrofluoric acid)
Must be. I wonder if you ha e a pressure works close to you they have locations up and down east coast
No they are not cheap by any means but I love thier products. And they are local.
