Protecting lead ?

Discussion in 'Softwash' started by WWC, Aug 21, 2016.

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  1. WWC

    WWC Well-Known Member
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    Anyone any ideas on protecting lead from discoloration from using hypochlorite ? I.e. lead flashing or roof valleys ?

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  2. Green Pro Clean Ltd

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    I'm not positive but I seem to recall hearing that it will go back to norm in a day or two. Taxlossloz ? What's the verdict?
     
  3. WWC

    WWC Well-Known Member
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    I thought I had a customer that has discoloured lead for some time - over a year because of hypochlorite ? Maybe that isn't what caused it.

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  4. simon

    simon Guru
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    there is something that restores the lead, oxalic acid rings a bell but i cant find the thread now
     
  5. Taxlossloz

    Taxlossloz Grand Master
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    I've not been doing this long enough to comment on long term but ..
    It goes brown first then the Brown dissapears in hours
     
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  6. WWC

    WWC Well-Known Member
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    I have a bit of lead spare, I'll try some hypochlorite mix on it.

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  7. peter rogers

    peter rogers Grand Master
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    Doesn't go away. This is my porch I done a test around last May. Like. That ain't going no where
     
  8. peter rogers

    peter rogers Grand Master
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  9. jonjetting

    jonjetting Member
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    Oxalic Acid can be used for rust stains, never tried it on lead though and its dangerous stuff! ive used 2% hypo on lead many times without any stains
     
  10. Chris Dall

    Chris Dall Well-Known Member
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    Patination oil is what you could be looking for
     
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