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Posted by Maxwell on November 13, 2007, 12:03 am
>
> > I have picked up a couple of Klean Strip products, Tri-sodium Phosphate
>> Substitute and Phosphoric Prep & Etch. I plan to experiment with these
>> and
>> vinegar, hydrogen peroxide, and salt water as well. If anyone thinks of
>> anything else, let me know. I'll be back in a week or so to let you know
> how
>> they worked.
>>
>
> Yogurt perhaps? Used for matching new and old roof tiles. Gets the bugs
> going..
> http://www.roofconsult.co.uk/articles/tiling/tips6.htm
>
That's an unusual angle. Grow microbes!
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