[RichH]

.... same as descaling an engine's cooling passages = RYDLYME Marine: The Ultimate Biodegradable Marine Descaler! | RydLyme Marine

 

[RichH]

Most AC system cooling water Heat exchangers are are either Copper-Nickle or Monel (copper alloys); the aluminum freon to air exchangers are usually electrically isolated from the cooling water so little to no galvanic action.