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Seasonal Pick Mg Duff Md78b Straight Magnesium Hull Anode For Fresh Waters (1.3kg) Customer Approved [8lBXesFI]

$16.99 $54.99 -69%

MD78B Magnesium Hull Anode for Fresh Waters The MG Duff MD78B Straight Magnesium Hull Anode is a specialized solution for maintaining the integrity of your boat in fresh water environments. This durable anode is designed to provide effective cathodic

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Seasonal Pick Mg Duff Md78b Straight Magnesium Hull Anode For Fresh Waters (1.3kg) Customer Approved [8lBXesFI]

MD78B Magnesium Hull Anode for Fresh Waters

The MG Duff MD78B Straight Magnesium Hull Anode is a specialized solution for maintaining the integrity of your boat in fresh water environments. This durable anode is designed to provide effective cathodic protection, which is crucial for preventing corrosion on your vessel's hull. With its straight shape and magnesium construction, the MD78B is an excellent choice for those seeking a reliable and long-lasting anode.
  • High-quality magnesium material ensures superior performance
  • Easy bolt-on installation for quick and convenient fitting
  • Optimized for use in fresh water conditions

Product Specifications and Technical Details

The MD78B features a nominal weight of 1.3kg, making it a robust yet lightweight option for your boat. Its dimensions are 305mm in length, 76mm in width, and 32mm in height, ensuring a snug fit on a variety of hulls. The anode is constructed from magnesium, known for its excellent corrosion-resistant properties. Key specifications include a 10mm bolt size (M10) and a bolt center of 200mm (8"), providing flexibility for different boat models.
  • 1.3kg nominal weight for optimal performance and durability
  • Dimensions: 305mm x 76mm x 32mm to fit a wide range of hulls
  • Magnesium construction for superior corrosion resistance

Practical Uses and Target Audience

The MD78B is ideal for boat owners who want to protect their vessels from the damaging effects of corrosion in fresh water. This anode is particularly suitable for wooden hulled vessels, which are prone to electro-chemical decay when magnesium anodes are used. Instead, MG Duff recommends fitting a magnesium shaft collar on the exposed propeller shaft and, if necessary, attaching anodes directly to mild steel rudders and keels. This product is perfect for those who value their boats and want to ensure they remain in top condition.
  • Effective corrosion protection for wooden hulled vessels in fresh water
  • Expertly designed for use in a variety of boat models
  • Simple bolt-on installation for ease of use

What Our Customers Say

January 25, 2026

Absolutely no complaints!

It's a very good tool. I love using it every day.

- Eden G..

January 25, 2026

Absolutely no complaints!

A great item. And very good quality.

- Sonya B..

January 25, 2026

Absolutely no complaints!

It’s a very good, exceptionally handy tool.

- Alessia U..

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