Cleaning "Steel Stains" off merbau

Hi all,

I'd just posted this in another cross thread:

http://www.renovateforum.com/showthr...043#post753043

but though perhaps it deserved it's own thread. Cheers!

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Hi guys,

well, the deck is now weathering nicely, there's a pergola on it so it's mostly covered so I can't rely upon the elements to assist with the weathering, but am still hosing about once/week and have Napisaned it a couple of times.

Now I'm getting ready to look at oiling and am leaning towards Spa N Deck or Sikkens. Any thoughts?

But before that I have a slight cleaning issue. As I have no lights on the deck yet we've been using a gas light on a camping gas cylinder. Lo and behold upon moving the cylinder (it got wet between the cylinder and the deck thanks to my hosing the deck) there's a black ring where the cylinder stood.

I remember now vaguely reading something in the forums about metal staining merbau, but have had no luck finding any mention of this since I've been searching.

Any ideas on removing these black "metal stains"? Will Napisan or oxalic acid remove or am I committed to sanding it (and will even this work?) And which metals stain merbau? Just steel?

Once the deck has been oiled, do I still need to be mindful of this problem of the deck being stained by the gas cylinder?

Thanks again.


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