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Removing Copper Sulphate stains from Tarmac!


Millbert
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Good afternoon everyone,

 

We had a tonne bag of lawn sand split and go all over some tarmac yesterday.

 

Got the majority up and then pressure washed with hot water but the rust coloured stains still remain. The tarmac was damp when covered so it began to break down immediately!

 

Has anyone got any advice on products or methods to help remove,

 

Picture attached of the lovely pattern it has left!

 

Many thanks in advance,

 

Chris Mills

59767282d53c7_CopperSulphateStains!.jpg.0abcca9b72708bdbda3da02fc96a022d.jpg

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Isn't lawn sand Iron Sulphate? Hence the rust coloured stain? An agri-store guy told me never use Iron Sulphate on tarmac to kill moss, because "You'll never get the stain out"

 

 

Apologies and thanks. Yes it's iron sulphate. Brain tired today!

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