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Removing Fertilizer Stain From Agregate

Discussion in 'Fertilizer Application' started by MCPP, Oct 6, 2004.

  1. MCPP

    MCPP LawnSite Member
    Messages: 1

    Any suggestions how to remove a stain? Looks like iron on the concrete?

  2. Ric

    Ric LawnSite Fanatic
    Messages: 11,969

    Rid-a-Rust from Home Cheapo.
  3. JimLewis

    JimLewis LawnSite Fanatic
    Messages: 6,872

    There's another product we use called "Miracle Rust Away". But I haven't seen it at retail stores - only at my wholesale fertilizer store and at another wholesale landscape supply store.

    Also, straight muratic acid does the trick. But that stuff's nasty. Be careful using, touching, inhaling, etc. that stuff.
  4. i_plant_art

    i_plant_art LawnSite Senior Member
    Messages: 558

    CLR they have it at the homo cheapo as well or you could always get a pressure washerand do the trick......
  5. MCP

    MCP LawnSite Member
    Messages: 10

    Tried the muriatic acid today per the diloution instructions and it didn't work.

    Has anyone used it at full strength on rust over exposed aggregate, and how did you use it?

    Was at my local Home Depot, they don't carry the other products mentioned.

    Thanks for any input
  6. Critical Care

    Critical Care LawnSite Bronze Member
    Messages: 1,654

    Seems as if I heard somewhere that Tang will work. This sounds more like something from Mythbusters though...
  7. Russ

    Russ LawnSite Senior Member
    Messages: 540

  8. fert40

    fert40 LawnSite Member
    Messages: 27

    Do not use the acid in full strength. When I did this in small spots it etched(hope the spelling is right) the concrete. I had an account the people were so picky. The iron will wear away over time. I am not sure of some of the other products people have suggested. I also used a pressure washer and it didn't work. Hope it turns out well for you.
  9. Critical Care

    Critical Care LawnSite Bronze Member
    Messages: 1,654

  10. Green Dreams

    Green Dreams LawnSite Senior Member
    from Texas
    Messages: 593

    Iron Away or something similar...

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