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Basic water types, which are salt, fresh and brackish waters. Martyr™ zinc and aluminum anodes protect your boat very well in salt and brackish waters whereas magnesium anodes protect the best in fresh water.
NEVER MIX Zinc and Aluminum Anodes on the same vessel.
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Zinc Alloy Anodes = Salt water only
- Not recommended for use in fresh water
- Alloy is manufactured to meet or exceed US Military Specification (MIL-A-18001K)
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Aluminum Alloy Anodes = Salt or Brackish water
- Not recommended for use in fresh water
- Proven to last longer than zinc due to increased capacity
- Alloy is manufactured to meet or exceed US Military Specification (MIL-A-24779(SH))
- Not recommended for use in salt or brackish water
- The only alloy proven to protect your boat in fresh water
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Magnesium Alloy Anodes = Fresh water only
- Not recommended for use in salt or brackish water
- The only alloy proven to protect your boat in fresh water