Zinc Vs Aluminium Sacrificial Anodes

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2 years ago

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julesmoto

NSW

1580 posts

julesmoto

NSW, 1580 posts

19 Dec 2023 1:32pm

Any ideas regarding his statements after 20 min. 30 seconds about aluminium anodes being superior to zinc?

Seems they are ecologically more friendly and cheaper but need to be kept clean.

@

Interesting boat Btw.

Yara

NSW

1322 posts

Yara

NSW, 1322 posts

19 Dec 2023 5:43pm

Aluminium is the go-to for fresh water. Some may be alloyed to prevent, or at least minimise oxide film passivation. Also depends on the potential with the metal it is protecting.

Serb1980

396 posts

Serb1980

396 posts

20 Dec 2023 11:32am

Magnesium the best for fresh water, titanium/zink for sea .

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