Sacrificial Anodes FAQ

Sacrificial Anodes FAQ

Sacrificial Anodes FAQ

In this section, we discuss some of the most commonly asked questions about sacrificial anodes so that you can move forward with the products that best fit your needs. If you have a question that is not answered here, feel free to contact us by phone or email. 

What are Sacrificial Anodes 

Sacrificial anodes are attached to various parts of a boat to protect against the wear and tear of being in the water. Anodes can be used on many parts of the boat such as the propellers, engine, and shaft. 

 

Sacrificial anodes keep boats protected against galvanic corrosion. They are able to do this because when underwater, the active metal in the anode creates a galvanic circuit with the metal used to construct the boat. This is known as cathodic protection. It is very similar to how a battery operates. 

 

By remaining electrically connected in this way, electrons are produced, and this creates a barrier that protects against the damage that would otherwise be caused by the water. 

What Precautions Should I Take When Installing Anodes?

You should take steps to ensure that there is a strong electrical current flowing between the anodes and the metal. Some of these steps include removing paint and cleaning any debris off the surface where you are installing the anode. 

 

Another critical thing to note is that you should never paint anodes. Doing so weakens the connectivity and is counter-productive. 

How Often Should I Replace My Anodes?

Sacrificial anodes should be replaced every year. If you notice that an anode has decreased in size by close to half, it is time to get a new one to install. When anodes wear away, they stop working as they should. This will make your boat susceptible to corrosion.

How Do I Install my Anodes? 

Make sure that the surface of the boat where you will be installing the anode is clean and smooth. Dirt, debris, and roughness can all hinder the proper function of an anode.

 

Once you’ve done this, it’s time to pay attention to the anodes themselves. Make sure that any packing materials have been cleaned away and that they are free of any dirt that could prevent proper installation.

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