Some of the plants that had very little of the bleaching of the tips responded to the iron and greened up but most of the plants had new growth that was too far gone and they all started dying from the growing tip. I took my clippers and just cut off the light colored growth and will see if any new growth coming out will be better. I did this with about 50 seedlings and the ones already in the containers. The rest of the plant that was still green has turned much darker as a result of the added iron; some of them almost look too dark. Are there any harmful affects from adding too much iron?
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