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Thread: Vho (very high output) flourescent lights

  1. #1
    Stay chooned in for more! Clint's Avatar
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    i have a VHO ballast with 4 normal output flourescent lights in it. a NO light that is 48 inches long is 40 watts, but a VHO light is 110 watts. do they make grow lights in VHO? if not, could i use aquarium VHO lights?

    here are the specs of vho aquarium lights:

    Actinic White
    Actinic White (12000K) = 50% actinic 03 blue phosphors & 50% white spectrum(triband). High performance upgrade which are great for corals, live rock, and related marine life.



    Super Actinic

    Super Actinic R (420nm peak) = 100% blue spectrum. These are the most widely used aquarium bulbs on the market. They are great for reef applications and coral health.



    AquaSun

    AquaSun (10000K) = 100% white spectrum.
    All URI lamps come with 180` internal reflector which allow 40% more light output


    i got this info from marinedepot.com

    these lights are used to grow coral, because they have a symbiotic algea inside that gives them energy, and since algea is a plant, maybe these lights will work my cps?

    thanks!
    clint

  2. #2
    Somewhat Unstable superimposedhope's Avatar
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    I use a compact flourescent. Its 6500K and 65wtt

    Joe
    \"There is nothing here of interest to any nation, as a matter of fact there is nothing here but humans!\"

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    HellzDungeon's Avatar
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    um... i say use the whitspectrum bulbs for your plants
    because as light shines through water, certain colors dont penetrate to certain depths.
    this is why lots of lights for reef tanks are blue spectrum, because lots of coral are found in the blue light spectrum range under the sea.
    but plants above water recieve the whole light spectrum i think except green, because a color cant absorbs that colors light spectrum, thats why black aborbs somuch light and heats up, it lacks color, and white doesnt aborb much light and stays cool, it reflects most of it
    Hope that helps,
    Hellz
    Nike SB is Bananas

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    Stay chooned in for more! Clint's Avatar
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    but dont plants use light in the blue spectrum to grow? wouldn't the super actinic work for that?

    i dont have to use marine lights, but if they are better i'd rather use them.

  5. #5
    Stay chooned in for more! Clint's Avatar
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    but dont plants use light in the blue spectrum to grow? wouldn't the super actinic work for that?

    i dont have to use marine lights, but if they are better i'd rather use them.

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    ISN'T RED FOR GROWING AND BLUE FOR FLOWERING?

    Sorry I had my "caps" on.

    Joe

  7. #7
    Stay chooned in for more! Clint's Avatar
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    i'm pretty sure its the other way around. blue for growing and red for flowering.

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    Tony Paroubek's Avatar
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    Chlorophyll A absorbs light at both 435nm and 675nm. In addition there are other compounds within the plant that absorb light at different wavelenths in between. The net effect is there is a peak absorption of light at 435nm which slopes downward slowly to 675nm. The high point at 675nm is about 2/3 the highpoint at 435nm.

    That's the technical deal..
    Simple terms.. plants need light across the visible spectrum to grow properly. Having it a bit towards the blue side is ok and will promote more leafy growth than flowering.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

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