09-14-2010, 04:10 PM
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Originally Posted by lostperspective
I'm using seachems flourish.
Good one, about the best in my humble opinion. Once a week? After a week or two, if the plants don't improve (new growth), try twice weekly. First does the day following a water change (the conditioners that detoxify heavy metals will negate micro-nutrients in Flourish for 24 hours), the second 2-3 days after that.
I mention new growth because existing leaves that yellow will never recover. Check the new growth, the leaves that emerge from the centre of the crown, if they remain lush and green, all's well. On this same note, if the yellowing leaves were those on the plant when you got it, that may be the explanation.