Anodes for Hull and Shaft

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Zinc Propeller / Shaft Anodes

Product image of  Shaft Anodes / long Shaped, zinc
Shaft Anodes / long Shaped, zinc
from €38 61
(2)
4 variants
Shaft Anodes / long Shaped, zinc Preview image
Shaft Anodes / long Shaped, zinc Preview image
Product image of  Zinc Collar Nut Shaft Anodes
Zinc Collar Nut Shaft Anodes
from €11 72
(79)
8 variants
Zinc Collar Nut Shaft AnodesPreview image
Zinc Collar Nut Shaft AnodesPreview image
Zinc Collar Nut Shaft AnodesPreview image
Product image of  Shaft zinc anodes, short version
Shaft zinc anodes, short version
from €4 62
(50)
9 variants
Product image of  Zinc Anode with Cutter SLC / 25 / 30 / 35 mm
Zinc Anode with Cutter SLC / 25 / 30 / 35 mm
from €58 78 €62.61
(31)
3 variants
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
Zinc Anode with Cutter SLC / 25 / 30 / 35 mmPreview image
-6%
Product image of  Zinc anode - hat shape / conical
Zinc anode - hat shape / conical
from €7 98
(3)
3 variants
Zinc anode - hat shape / conicalPreview image
Zinc anode - hat shape / conicalPreview image
Product image of  Zinc Anode / conical external and internal
Zinc Anode / conical external and internal
from €18 45
(15)
10 variants
Product image of  Zinc anode - conical / hexagonal
Zinc anode - conical / hexagonal
from €6 68
(5)
9 variants
Product image of  Shaft and Propeller Anode / Zinc
Shaft and Propeller Anode / Zinc
from €48 70
No rating yet
3 variants
Product image of  Shaft and Propeller Anode / Zinc
Shaft and Propeller Anode / Zinc
from €48 70
No rating yet
7 variants
Product image of  Shaft and Propeller Anode / Zinc
Shaft and Propeller Anode / Zinc
from €47 02
No rating yet
9 variants
Product image of  Shaft and Propeller Anode / Zinc
Shaft and Propeller Anode / Zinc
from €39 45
No rating yet
10 variants
Product image of  Shaft and Propeller Anode / Zinc
Shaft and Propeller Anode / Zinc
from €32 73
(5)
10 variants
Product image of  Zinc Anode for Flexofold Propellers
Zinc Anode for Flexofold Propellers
only €17 61
(2)
In stock
Zinc Anode for Flexofold PropellersPreview image
Zinc Anode for Flexofold PropellersPreview image
Product image of  Zinc Anode for Gori Propellers 15'' - 16.5''
Zinc Anode for Gori Propellers 15'' - 16.5''
only €12 56
(2)
In stock
Zinc Anode for Gori Propellers 15'' - 16.5''Preview image
Zinc Anode for Gori Propellers 15'' - 16.5''Preview image
Zinc Anode for Gori Propellers 15'' - 16.5''Preview image
Product image of  Zinc Anode (triangular) for Gori Propellers 18'' - 20''
Zinc Anode (triangular) for Gori Propellers 18'' - 20''
only €12 56
No rating yet
In stock
Zinc Anode (triangular) for Gori Propellers 18'' - 20''Preview image
Zinc Anode (triangular) for Gori Propellers 18'' - 20''Preview image
Zinc Anode (triangular) for Gori Propellers 18'' - 20''Preview image
Product image of  Zinc Anode for Gori 2-Blade Saildrive Propeller / ring
Zinc Anode for Gori 2-Blade Saildrive Propeller / ring
only €31 05
(3)
In stock
Zinc Anode for Gori 2-Blade Saildrive Propeller / ringPreview image
Zinc Anode for Gori 2-Blade Saildrive Propeller / ringPreview image
Zinc Anode for Gori 2-Blade Saildrive Propeller / ringPreview image
Product image of  Zinc Anode for Gori 3-Blade Saildrive Propeller / ring
Zinc Anode for Gori 3-Blade Saildrive Propeller / ring
only €29 37
(4)
In stock
Zinc Anode for Gori 3-Blade Saildrive Propeller / ringPreview image
Zinc Anode for Gori 3-Blade Saildrive Propeller / ringPreview image
Zinc Anode for Gori 3-Blade Saildrive Propeller / ringPreview image
Zinc Anode for Gori 3-Blade Saildrive Propeller / ringPreview image
Product image of  Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / Saildrive / ring shaped
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / Saildrive / ring shaped
only €36 93
No rating yet
Only 4 in stock
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / Saildrive / ring shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / Saildrive / ring shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / Saildrive / ring shapedPreview image
Product image of  Zinc Anode for Gori 3-blade Folding Propeller Ø 15'' - 16'' / shaft system / ring-shaped
Zinc Anode for Gori 3-blade Folding Propeller Ø 15'' - 16'' / shaft system / ring-shaped
only €36 93
No rating yet
In stock
Zinc Anode for Gori 3-blade Folding Propeller Ø 15'' - 16'' / shaft system / ring-shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 15'' - 16'' / shaft system / ring-shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 15'' - 16'' / shaft system / ring-shapedPreview image
Product image of  Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / shaft system / ring-shaped
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / shaft system / ring-shaped
only €40 29
(1)
Only 4 in stock
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / shaft system / ring-shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / shaft system / ring-shapedPreview image
Zinc Anode for Gori 3-blade Folding Propeller Ø 18'' - 20'' / shaft system / ring-shapedPreview image
Product image of  Alamarine Zinc Anode
Alamarine Zinc Anode
from €7 98
No rating yet
3 variants
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Alamarine Zinc AnodePreview image
Product image of  Zinc Anode for Riva Boats
Zinc Anode for Riva Boats
from €390 71
No rating yet
8 variants
Zinc Anode for Riva BoatsPreview image
Zinc Anode for Riva BoatsPreview image
Product image of  FERRETTI, Zinc Anode
FERRETTI, Zinc Anode
from €23 49
No rating yet
5 variants

Magnesium Propeller / Shaft Anodes

Usually anodes need to be changed once a season, and even more frequently in rough waters. The required material of the anode depends on the material of the boat and the sailing area. You can choose between zinc, magnesium and aluminum anodes. Sacrificial anodes must never be painted over, brushed off or lubricated. Learn more about Hull / Shaft Anodes...

Hull / shaft anodes

- Protect your boat with sacrificial anodes -

What are sacrificial anodes?

Sacrificial anodes are metals or alloys that have a more anodic, i.e. less noble, potential than steel and are used against corrosion. The less noble material of the anode "sacrifices" itself and dissolves, thus protecting the hull and the parts of the boat that are susceptible to corrosion. If the anodes don't show any signs of dissolving after a while, something might be wrong. Something is always getting dissolved. If the sacrificial anodes are not attacked by corrosion, another area is probaly affected by corrosion.

Where should anodes be mounted?

Anodes are mounted along the keel. The electric current is higher at the stern post due to the propeller being located there. It is advisable to install several anodes in this area. Anodes should also be mounted on the rudder and propeller shaft.

How often must anodes be changed?

Typically, anodes have to be replaced once per season. In harsh water conditions, a more frequent replacement schedule might be necessary. 

Which anode for which material and which water?

For the protection of hulls, engines and outboard motors made from aluminium alloys, zinc anodes are commonly used in salt- and brackish water. In fresh water conditions, magnesium anodes are commonly used. For hulls and other underwater parts made from steel, brass or bronze, zinc anodes may be used. However, they tend to be replaced more frequently than aluminium anodes due to the fact that zinc anodes always contain a small percentage of the toxic heavy metal cadmium. This is also why aluminium anodes are considered to be a lot more environmentally friendly. Moreover, aluminium anodes are more efficient, longer-lasting and recommended for usage in brackish waters or when going back and forth between salt and freshwater.

Can sacrificial anodes lose their effect?

Anodes must never be painted or lubricated! This is because they would lose their electrical conductivity with water and thus, they will not be able to properly prevent corrosion. If a boat stays on land for a long period of time, some layers of oxidation (especially in the case of aluminium anodes) might prevent them from functioning properly, as the potential difference might be too low.

Table for calculating the required amount of anodes (in kg), depending on the corresponding unprotected metal surface:

Metal surfaces in m2 / zinc anodes in kg
5 to 10 m2 / 5.5 kg
10 to 20 m2 / 9.5 kg
20 to 30 m2 / 18.0 kg
30 to 40 m2 / 20.0 kg
40 to 50 m2 / 25.0 kg

Customer ratings & reviews

All reviews (121.427)
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Denis C. on 26.05.2022

Very efficient process to delivery.

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James S. on 26.05.2022

Very prompt replies and informed me in detail about my delivery.

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Raul R. on 26.05.2022

Very good service and management. I like because is very efficient and fast.