Ospho or Rust Kutter?
OK, so I’m stripping my floor, the rust isn’t too bad and I was going to use rust kutter(30% phosphoric acid)to treat the rusty areas but I don’t know if that will etch and I’m assuming my floor is galvanized. I stripped one small section with Citristrip , and now I’m hitting it with a 60 grit flap disc I just don’t like using the Citristrip it’s nasty stuff. I’m about 1/3 done and I’m thinking after some searching maybe I should just use ospho after I’m done stripping. Opinions? That’s the worst of the rust that I already clean up in the pictures.
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