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  1. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    I don't expect most plumbers to know for sure, and I DO expect to hear from mostly naysayers from "go" regardless of the issue. Believe me because "I'm a professional", or "I'm a physicist" doesn't really fly. If you are such an expert, you should be cogent.
  2. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    Of course, oxygen is brought in with the fresh water... this doesn't change things... dissolved oxygen is still finite. Not sure what you mean by, "what makes you think all the corrosion is on the inside". Really puzzled about what you say about never had an element fail because of corrosion...
  3. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    It is mostly about oxygen... hence oxidization .
  4. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    The water and minerals therein would provide the electron pathway needed for the anode / cathode relationship. The heating element is insulated from the tank, yet it still corrodes to failure within one month. It corrodes due to the electrolyte allowing electron transfer... same way the...
  5. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    How do you figure? There is a finite amount of free oxygen in the tank. This limited O2 should be drawn to the magnesium, saving the tank (and element). The water should be an adequate electrolyte to make this kind of a circuit. ATM I am more concerned with my element disintegrating in 1 month...
  6. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    You are saying that the magnesium that I drop into the tank won't corrode otherwise? You might be right but I don't see why you would be. Possibly my idea would be less efficient IDK, but that may be overcame by using more material. Oxidization should occur regardless.
  7. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    I don't want to use a proper anode. I just want to jam some bits of magnesium in the tank instead. I suppose that I could cut up a proper anode but it would be cheaper just to find some magnesium.
  8. O

    Can I just put a bunch of magnesium in the tank instead of an anode?

    Can anyone think of a reason why it wouldn't work if I put a bunch of magnesium into the bottom of the hot water tank to act as a sacrificial anode? I may not be able to replace the anode the normal way. The only problem I could think of is, possibly that the magnesium sitting on the bottom of...
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