How can you tell if bronze through hulls are sound? - SailNet Community

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  #1  
Old 05-26-2008
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How can you tell if bronze through hulls are sound?

Does anyone know how to confirm the integrity of a bronze through hull?
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If you scratch it and it is pinkish in color... you've got a problem.
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Thanks.
Does it matter where I scratch it ? If it is pink in one spot then the whole thing si scrap?
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The pinkish coloration means that the metals other than copper are leaching out...and will leave you with a nice soft copper sponge shortly. If it is happening, you may want to investigate WHY. It often occurs when you have a galvanic isolation problem at your marina or an voltage leak into the water there. If it is AC...it can be lethal.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
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her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

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thanks for the info
K
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