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po4 levels

Discussion in 'Advanced Strategies and Fertilization' started by baruch mor, Mar 11, 2005.

  1. baruch mor

    baruch mor Prolific Poster

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    in very intense light (almost 2w/l) and huge amounts of co2 (60-70ppm) what is the maximum levels of po4 i can dose?
    now im with 30-50ppm of no3 and only 0.6-1ppm po4 - can i go up to 3-5ppm of po4?
    what are the effects on my fish and shrimps? i tried to go up with the no3 and with the co2 and ended with dead shrimps :rolleyes:
     
    #1 baruch mor, Mar 11, 2005
  2. Tom Barr

    Tom Barr Founder
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    Re: po4 levels

    High levels of PO4 have l;ittle if any effect on fish/shrimp.

    PO4 is used to regulate pH in SeaChem products, AP pH down in the past(As H3PO4 30%) and can be quite high, NO3, CO2 and NH4 things that are toxic at high levels, but far beyond what is needed for plant growth.

    You shouldrealize after reading the light article, most aquarium plants are all low light plants, even the fastest growing weeds are fairly low light plants.

    So adding more and more light, CO2 and nutrients does not help.
    You can see how far you can go till you destabilize the system I suppose out of curiosity, but you do not achieve in any benefit in terms of plant health, fish health so that is not really a goal aquarist are particularly interested in.

    But the range is quite high.
    Regards,
    Tom Barr
     
    #2 Tom Barr, Mar 11, 2005
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