Hi- I had another newby orchid person ask me if iron in her water would hurt her orchids, She is on a well. I told her I did not think so, I have iron in my well water and they dont seem to mind it. Would appreciate knowing if I told her correctly. Thanks
Paul
Iron is a very important nutrient for plants, and is often the limiting factor on plants in aquaria. But too much of anything can be bad. Depends on the exact orchids and how much iron there is.
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Iron toxicity is a theoretical possibility, but very uncommon. Most likely, if the water is palatable for human consumption the iron will not be an issue.