corrosion below the waterline

  1. S

    Grounding plate porosity

    My 8”x3” grounding plate doesn’t look right. I know some are porous bronze but this looks like stainless and is non-magnetic. It is only connected to mast and stays not bonded to thru hulls for lightning protection. It looks like severe wormy stray current corrosion even in the machine screw...
  2. Plymouth Sailor

    Sacrificial Anode

    Dear Fellow Sailors: I've never had an anode on my 25' sailboat (lead keel). I don't believe I've had any issues with electrolyte corrosion. Any anecdotal or Anodedotal evidence of issues anyone has had are appreciated. Thanks