Adding nitrates without adding Ca, Mg or K
Richard Sexton wrote:
too. Did you ever use any plant fertilizer tabs in that gravel?
I'm afraid yes :-(
I'm back at 3 per week from 10 last year...
Thanks for all !
Ah. That'll do it. You might want to remove as much of the gravel as
you can and replace it with clean gravel. A diatom filter would be
handy.
Going this way from now !
Philippe
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