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You are here: Chandlery > Hull Maintenance > Anodes for Boats > MG Duff Zinc Shaft Anode

MG Duff Zinc Shaft Anode

TypeShaft DiameterWeight (kg) Normal Price Online Price  
MG Duff25 mm1£34.50£31.05
MG Duff1 inch1£34.20£30.78


The MG Duff 25mm and 1'' Zinc shaft anodes come with bolts included. 

Unlike traditional anodes, the new design incorporates a mild steel core bar which controls anode wastage and prevents it shaking free. 

When your hull is immersed in water, anodes protect the various metal components (propellor shaft, keel, rudder, engine) from the deterioration caused by galvanic corrosion.
Galvanic corrosion (also called electrolyte) is the deterioration of metal which occurs when dissimlar metals are joined together by a conductor in an electrically conductive fluid.
The least noble metal (the anode) dissolves while the most noble metal (the cathode) remains protected.
Select according to fresh or salt water:
Salt water: zinc anode (stocked)
Brackish (mixture of salt and fresh) water: aluminium anode
Fresh water: magnesium anode

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01297 20744 or email sales@jimmygreen.co.uk

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