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Using Harpic 10x (Hydrochloric acid based) to clean downpipes...
#11
A good simple test for stainless steel is to see if a magnet will stick, if it will not stick it is a good grade if it will stick then - not so good quality, and you can actually feel the strength of the stick on different grades. 
I don't do rain or threat there of. dry rider only with no shame.
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Re: Using Harpic 10x (Hydrochloric acid based) to clean downpipes... - by fazersharp - 09-04-20, 09:47 AM

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