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How much light for emersed ''Cuba''?

Discussion in 'General Plant Topics' started by ibanezfrelon, Jan 14, 2011.

  1. ibanezfrelon

    ibanezfrelon Guru Class Expert

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    I planted some HC in a 4gal tank , emersed, i have used soil mixed with some gravel, misting the leaves few times a day etc.
    I want to speed up the growth as much as i can but i don't want to risk killing the little HC i have because of too much light, it's hard to get here in Croatia.

    Could i use a 125W high press mercury over the tank?
     
  2. Wet

    Wet Lifetime Members
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    Like most stems it doesn't need much light at all emersed. This is only from sunlight in a window ~4ft away. No fertilization, just the Aquasoil and a tank I've not filled up CO2 for.

    [​IMG] [​IMG]

    Normally it's pressed against the glass facing the window (I moved it to over that rock for the pic), but still. Sorry for the cell picture, just easiest.
     
    #2 Wet, Jan 14, 2011
    Last edited by a moderator: Jan 14, 2011
  3. ibanezfrelon

    ibanezfrelon Guru Class Expert

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    Thanx Wet!
    I know it doesnt need realy strong light emersed, i'm just wondering if i can go too far with the light?
    Will co2 be the issue when emersed with strong light or maybe N ?
    The tank is covered with plexi and an inch is left uncovered to provide some air flow.
    I spray it few times a day with some NPK dillution...

    Maybe i should seperate some HC in a glass and try with the strong light to see :)
     
  4. ibanezfrelon

    ibanezfrelon Guru Class Expert

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    Ok, let's try and see;)
     

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  5. Wet

    Wet Lifetime Members
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    Cool little experiment set-up! They look good on that furniture, too.

    I've no experience with those lights but that's a lot of running cost to light emergent nanos. I'd be concerned with heat. Is it already growing the HC?
     
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