1 new of 59 responses total.
You can replace the missing piece - they sell replacements in the same kit as the rubber gasket. Might be as much as $8 and if your local hardware store does not have any, try the company's website (also a bit cheaper). Men who eat animals can accumulate too much iron. Plant iron is not absorbed if not needed. I doubt that frying in cast iron will add much iron. Boiling acidic liquids might. Women after menopause who eat animals will have the same problem if they eat too much animal.
You have several choices: