"Lee Haefele" wrote:

>  I had a 1.5" through hull fitting break off in my hand.  It was 
> pink/orange and granular at the fresh break.  Is this electrolysis 
> and will all of the through hulls be equally bad?  None are 
> grounded, boat was built 12/99.  How could I test the others?   If I 
> file a corner off, will the odd color show?

Two (2) questions:

1) Do you have 120 VAC shore power on board?

2) Is is earth grounded to the water?

Lew


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