Next message: Georgs Kolesnikovs: "TWL: Trawler World goes Power Cruising"
As was noted in some recent posts, too much zinc IS a concern on wood boats
because the increase current flow will likely damage wood...but this is rarely
a problem on fiberglass boats.
If you are reasonably sure your zincs have been partially used (as is often
the case after six months or more immresion) then hanging an additional zinc
will probably only restore normal voltage protection.
When using an additional zinc you must be sure it is connected either to the
piece of metal you want to protect (if the underwater metal pieces are not
bonded together with wire) or to the bonding system if so wired....
Cheers,
Rob Brueckner
1972 Hatteras Yachtfish
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