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Thread: Red Clay won't come off vinyl siding!

  1. #1
    Squirt
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    China Grove, NC
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    Red Clay won't come off vinyl siding!

    Hey guys, Im new to the forum, and ive been doing alot of researching. I cant seem to find a good answer to what will remove the red clay stains from vinly siding. So far ive used, F8 with no results, and F18 with alot of scrubbing and it just lightens the red stain but won't take it away.
    Please if anyone can help I'd appreciate it!
    Josh Abernethy
    Pressure Tech Power Washing
    China Grove, NC
    980-521-2010

  2. #2
    Squirt
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    Sep 2017
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    I'm doing a tremendous amount of searching and reading and the only thing I have found so far is Muriatic Acid 10:1 out of a pump sprayer. Would that work or will it damage the vinyl? Can anyone either confirm or deny this?
    Josh Abernethy
    Pressure Tech Power Washing
    China Grove, NC
    980-521-2010

  3. #3
    Jr. Member ambtink's Avatar
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    Are you sure it's red clay? Can you post a picture of it?
    Tom
    Water Boy Pressure Washing
    West Deptford, NJ
    609-932-0595
    www.waterboypressurewashing.com

  4. #4
    F13. Gutter grenade.

  5. #5
    Prestige Member
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    Use truck wash acid much much better choice there are several places that sell it around here.
    Hal Brown
    Sophia Nc 27350
    www.AbvPressureWashing.com

  6. #6
    Prestige Member Guy B's Avatar
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    Quote Originally Posted by kiloman7 View Post
    Use truck wash acid much much better choice there are several places that sell it around here.
    Yep! That's correct!
    Pressure Kleen L.L.C.
    Power Washing Service
    Tar-Heel N.C. 28392
    Guy Blackmon 910-876-1594

    House Washing Fayetteville N.C.
    Pressure Washing Fayetteville N.C.
    Power Washing Fayetteville N.C.

  7. #7
    Squirt
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    Sep 2017
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    China Grove, NC
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    I'm positive its red clay. Its at the bottom of the vinyl and you can see where it has rained and splashed up on the siding.
    The one thing I didn't try was the F13, Ill try a test spot.
    So when you say truck wash acid, do you mean the Aluminum Acid Wash?

    Thanks for the help guys.
    Josh Abernethy
    Pressure Tech Power Washing
    China Grove, NC
    980-521-2010

  8. #8
    Oxalic acid normally does it for us, maybe the f8 wasn't mixed strong enough?

  9. #9
    Prestige Member
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    Yes ox might work but why waste time mixing a farting around straight in pump up works wonders.
    Hal Brown
    Sophia Nc 27350
    www.AbvPressureWashing.com

  10. #10
    Use a product called NMD 80 from Echo chem. Mix it 10-1 and pump spray it on let dwell for 8-10 min. Washes right off.
    Innovative Pressure Cleaning
    Cream Ridge NJ 08514
    innovativewash@aol.com
    609-738-3100

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