Maybe just hold off on the gfo for now and monitor the NO3. If it looks like it's coming down, leave it as-is but maybe once it gets to 10 or so (I'm just pulling this number out of the air arbitrarily) then go ahead and put the GFO on.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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