In article ,
Victor Martinez wrote:
Richard Sexton wrote:
Add iron. (and traces... are you adding traces with no iron. How?)

I'll add some iron. I use a seachem product for traces. When I remember.
Which is not often. ;-)
My tanks are mostly self-fertilizing, I guess.


In the sense that as old leaves die their tissue degrades back into
their component chemicals which are readsorbed by the plants, yes.

But fish waste is not a complete fertilizer. They really do need
fertilizing.

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