Hot Water Storage Tank

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  • Use sacrificial anode with mild steel water tanks - [1]
  • Here is a possible zinc anode source, these are frequently used for boats, but i think these will work here:

http://www.defender.com/product3.jsp?name=martyr-medium-streamlined-plate-hull-sacrificial-anode&path=-1%7C299255%7C319701&id=148720