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  • 1 Post By momokev

Growing Lights

This is a discussion on Growing Lights within the General Orchid Culture forums, part of the Orchid Culture category; Dh and I put up some lights yesterday, trying to ready for winter. There are ...

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  1. #1
    momokev's Avatar
    momokev is offline Senior Member
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    Default Growing Lights

    Dh and I put up some lights yesterday, trying to ready for winter. There are 48", 4 lights per shelf, each with 2250 lumens light output. The bulb name is GE sunshine 40 and says "bright, noonday light". It is full spectrum light.

    I'd love some input, suggestions, ect.

    Lisa
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  2. #2
    Heather is offline Banned
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    Hey Lisa, I'll let someone else respond to the lighting question but I was curious - where'd you get those nice white trays? Thanks a bunch in advance!

  3. #3
    momokev's Avatar
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    Heather,

    Would you believe they are for wall paper hanging!

    Lisa

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    Forrest is offline Senior Member
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    Lisa, looks good. The trick to growing under flourescents is to get the plants as close to the bulbs as possible. Try inverting some of those clay pots you have and putting the shorter plants on top of those. Remember that the light is most intense in the middle of the lamp and deteriorates significantly the further you move away from the center. Heat is not a big concern with the flourescents, though it is not a non issue. you should keep an eye on your ballasts as they will generate heat.

  5. #5
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    LJA
    LJA is offline OrchidTalk Tech Admin
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    Ditto exactly what Forrest said.

    Those are some nice plants you've got there--they sure look happy!

  6. #6
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    How close would be too close? I don't want to burn, or is that not an issue?

    Thanks! Lisa

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    Also, I have them on a timer, coming on at 6am and going off at 10pm. Is that enough light time? I want to get another setup before winter, so I want to work the bugs out.

    Lisa

  8. #8
    Forrest is offline Senior Member
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    you want to put them pretty much right up to the lights (not touching of course). 16 hours is ok, it is prob a bit more than you need. There are diferent arguements for timers. Some say you should just have them on 12 hours year round. The justification for this is that they are getting 12 full hours of light, from the moment they turn on till they turn off, no sun rise or set with weaker light. Others say you need to follow the seasons. I tend to side with the season folks. My reasoning is that some plants trigger their blooming on light periods. Guess it just depends on which camp your in.

  9. #9
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    Hard to say.... Places like Hawaii where the growing season's year around, the plants typically grow bigger and get that way faster. 'Course, that assumes the types of plants aren't the ones that *need* seasonality to bloom....

  10. #10
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    When I used to use fluorescents, I gave them 16 hours during the summer and tapered to 12 hours in the winter. That was to compensate for the overall decreased light levels from the bulbs. (as compared to a bright window)

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