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Zincs vs Alums

P

pugetsounder

Advanced Contributor
"Hey all,
New to the board an

"Hey all,
New to the board and I/O boats. Recently bought a 1978 Bayliner with 280 VP and newer Volvo 4 cyl.

The zincs look like they could use some replacement maybe not now but soon. As I was browsing EBAY looking for stuff I came across this add for Zincs but instead they're made from aluminum.

http://cgi.ebay.com/ebaymotors/VOLVO-PENTA-ALUMINUM-ANODE-KIT-280-STERNDRIVE-ZIN C-PROP_W0QQitemZ160108342606QQcmdZViewItem?hash=item160108342606

Any body use or recommend aluminum over zinc? Or is this just another snake oil sales pitch?"
 
Since zinc is more active than

Since zinc is more active than aluminum--that's why it's used--then I got no idea what that dude is selling! Go with the usual anodes and you'll fine.

JEff
 
"I own an aluminum boat, and I

"I own an aluminum boat, and I know what anodes to use:

1. Aluminum (if such things exist) would work ONLY on a steel hull.

2. Zinc anodes work on the rest, with magnesium (along with zinc anodes) for an aluminum boat in fresh water.

Jeff"
 
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