Metal Guide

Al
Suitable for salt & fresh water
Mg
Suitable for fresh water
Zn
Suitable for salt water

Follow our colour coding for easy identification of metals.

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Tohatsu outboard anodes including for trim tabs, stern bracket and blocks. Popular after market US Mil Spec anodes for outboards.

Zinc and aluminium for salt water, aluminium for brackish water and magnesium for fresh water.

Tohatsu Outboard Anodes Help Articles

Difference between water types

Under cathodic protection symptoms