Anodes and Zincs

A galvanic anode is the main component of a galvanic system used to protect buried or submerged metal structures from corrosion. They are made from a metal alloy with a more "active" voltage than the metal of the structure. The difference in potential between the two metals means that the galvanic anode corrodes, so that the anode material is consumed in preference to the structure. The loss (or sacrifice) of the anode material gives rise to the alternative name of sacrificial anode.
Corrosion is like the uninvited guest who always shows up hungry. At some point, you forget about serving this goat a meal and dish out snacks and junk food to keep him away from the roast beef. With corrosion, you feed the unwelcome guest excess electrons instead of Twinkies. These electrons come ready to eat, “packaged” in the form of what are called sacrificial anodes. Corrosion eats the anode (the Twinkie) instead of your sterndrive, prop shaft or raw water through-hull (the good stuff) because anodic metals dish out electrons as freely as Grandma dishes out Thanksgiving dinner. Know that with each electron consumed, a minute bit of the anode’s metal is consumed instead of a bit of your boat or drive’s metal, hence the sacrificial moniker.
-
Lenco Marine Lenco Sacrificial Anodes - 1-7 8 - 2 Pack $16.19
-
Lenco Marine Lenco Sacrificial Anodes - 3-3 4 - 2 Pack $28.77
-
Quick Quick Anode Kit f/BTQ140 Bow Thruster Propellers $33.93
-
Quick Quick Anode Kit f/BTQ250 Bow Thruster Propellers $72.14
-
Tecnoseal Tecnoseal Anode Kit - Volvo DPSA SXA - Zinc $46.24
-
Tecnoseal Tecnoseal Anode Kit - Yamaha 150-200HP - Aluminum $26.62
-
Tecnoseal Tecnoseal Anode Kit - Yamaha 200-250 HP - Magnesium $35.47
-
Tecnoseal Tecnoseal Anode Kit - Yamaha 200-250HP - Zinc $32.56
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Alpha 1 Gen 1 - Magnesium $38.07
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Alpha 1 Gen 1 - Zinc $41.56
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Alpha 1 Gen 2 - Aluminum $53.86
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Alpha 1 Gen 2 - Zinc $57.81
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 1 - Aluminum $49.97
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 1 - Magnesium $43.73
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 1 - Zinc $47.27
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 2-3 - Aluminum $44.06
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 2-3 - Zinc $31.23
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 3 2004 - Aluminum $58.44
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Bravo 3 2004 - Magnesium $50.78
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 4 - Aluminum $35.33
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 4 - Magnesium $43.18
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 4 - Zinc $33.93
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 6 - Aluminum $36.30
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 6 - Magnesium $46.60
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Mercury Verado 6 - Zinc $53.99
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo 290 - Aluminum $29.54
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo Duo-Prop 290 - Magnesium $31.27
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo Duo-Prop 290 - Zinc $35.18
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo IPS - Zinc Aluminum $91.18
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo SX - Aluminum $35.18
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo SX - Magnesium $52.39
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Volvo SX - Zinc $38.57
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Yamaha 150-200HP - Zinc $32.07
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Yamaha 200-250HP - Aluminum $29.66
-
Tecnoseal Tecnoseal Anode Kit w Hardware - Yamaha 200-300HP Hi-Performance - Zinc $32.93
-
Tecnoseal Tecnoseal Anode Kit w/Hardware - Mercury Alpha 1 Gen 2 - Magnesium $59.69
-
Tecnoseal Tecnoseal De-Icer Aerator Anode - 0.50" Shaft - Zinc $6.44
-
Tecnoseal Tecnoseal E0 Pencil Zinc w Brass Cap $4.17
-
Tecnoseal Tecnoseal E00 Pencil Zinc w Brass Cap $3.12
-
Tecnoseal Tecnoseal E1 Pencil Zinc w Brass Cap $6.53
-
Tecnoseal Tecnoseal E2 Pencil Zinc w Brass Cap $7.44
-
Tecnoseal Tecnoseal Gimbal Block Anode - Magnesium $18.56
-
Tecnoseal Tecnoseal Gimbal Block Anode - Zinc $18.60
-
Tecnoseal Tecnoseal Gimbal Housing Nut Anode - Magnesium $5.43
-
Tecnoseal Tecnoseal Gimbal Housing Nut Anode - Zinc $3.37
-
Tecnoseal Tecnoseal Grouper Suspended Anode w Cable Clamp - Zinc $65.90
-
Tecnoseal Tecnoseal Magnesium Hull Plate Anode 8-3/8" x 4-1/32" x 1-1/16" $49.64
-
Tecnoseal Tecnoseal Mercury Verado 350 Zinc Anode Kit $51.22
-
Tecnoseal Tecnoseal Quick Zinc Propeller Nut Anode Kit f/BTQ110-125 Bow Thrusters $6.53
-
Tecnoseal Tecnoseal Quick Zinc Propeller Nut Anode Kit f/BTQ250 Bow Thrusters $10.01