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How much light for non-CO2 10G?

Discussion in 'General Plant Topics' started by carb850, Jul 11, 2007.

  1. carb850

    carb850 Junior Poster

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    The tank is about 4 months old. It has been from a mid light DIY CO2 to a high light DIY CO2 with EI dosing and back again. I have been fighting different algae issues at every step. I'm now seeking a more simplified setup and like to do away with the DIY CO2. (I think the inconsistance of this setup has contributed to my algae).

    1) How many watts should I run over a 10G?

    2) How often should I do water changes and how large of a change?

    3) Should I add any ferts? I have plenty of the Greg Watson dry ferts from the EI dosing including the Plantex.

    4) Currently I have Asian Ambulia, Hygrophila Rosanervig, Star Grass, Baby Tears, and some Crypt that I recently picked up. Will these all do okay in a low light low tech setup?

    Any suggestions would be appreciated. Thanks.
     
    #1 carb850, Jul 11, 2007
  2. VaughnH

    VaughnH Lifetime Charter Member
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    If you don't use CO2 don't do regular big water changes. Those introduce CO2 and cause varying CO2 concentration in the water which makes algae problems worse. For light, I would try for more than 20 watts and less than 40 watts. A ten gallon tank doesn't work by the 2 watts per gallon rule - it needs more watts to achieve the same light intensity. Fertilizing will still help, but at a much reduced rate of dosing - maybe once a week with less than half of what the EI recommended dose is.
     
    #2 VaughnH, Jul 11, 2007
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