The choice of zinc depends on your boating environment.
Zinc anodes for aluminum boats.
We exclusively specialize in the sale of sacrificial zinc aluminum and magnesium anodes for recreational and commercial boaters.
Two basic types of anode materials are used to combat corrosion.
Zincs for boats is the internet s leading wholesaler of zinc aluminum and magnesium anodes for all boaters.
The anode deteriorates instead of your boat.
In addition to being a more versatile anode aluminum also lasts longer than zinc.
Zinc is too passive for brackish water where it gets covered in a zinc oxide film and becomes inactive.
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While bolting an anode onto your boat may seem unnecessarily complicated at first glance the cathodic protection gained by attaching an anode or zinc to your aluminum boat to prevent galvanic corrosion of your hull is always a good move.
Our products are produced by the top manufacturers in the u s.
Aluminum for brackish water.
In recent years aluminum has dropped in price making it a more attractive choice for manufacturers when installing sacrificial anodes onto their new vessels engines strainers heat exchangers etc.
More active than zinc aluminum anodes are a good compromise where fresh and salt water mix such as the brackish water of river deltas or if you use your boat in a variety of water types.
Aluminum is a light weight metal and is versatile in more than just saltwater.
Zinc anodes zinc is traditionally cheaper and more commonly used than aluminium used for sacrificial anodes that have lower electrons to dissolve to protect the more valuable metal parts of a boat.
For example if your boat is connected to shore power and thus connected to all the other boats at the dock you may choose weaker zinc over aluminum to minimize the electrical activity.
The advantages of aluminum anodes.
Research has shown that aluminum will last 50 longer in saltwater than will zinc.
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In addition aluminum anodes tend to last longer they work better than zinc in brackish.
There are a few reasons why many manufacturers and boaters use aluminum over zinc or magnesium anodes.
It has not happened already only because the cost of aluminum anodes has been higher than zinc without any discernible benefit to the boat owner.
Market and are the same zincs sold by the major marine supply stores and your local boat yard.
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Aluminum alloy anodes are almost certainly to become more common.
Today aluminum is actually cheaper than zinc.
