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  1. #1
    Supporting Member malira's Avatar
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    Par38 grow light, anybody?

    I've restarted my fuge. I was looking at a small led grow light but I'm afraid the par might not be enough.

    I want to use a par38 grow light. Reds and blues.

    Is anybody using one?

    Like this for $18

    https://www.amazon.com/gp/aw/d/B01AR...7L&ref=plSrch#

    This for $8

    https://www.amazon.com/gp/aw/d/B01CZ...tL&ref=plSrch#


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    Last edited by malira; 05-01-2017 at 11:06 PM.
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  2. #2
    Supporting Member flipside's Avatar
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    I'm running a PAR38 type bulb from Home Depot. Works great.
    The CFL 100w bulbs grow chaeto quicker, though. (Not actually 100w... they are like 23w, or something).
    Grow Out Room - 120g Aqueon/60g Acrylic Shallow/80g Sump

  3. #3
    Supporting Member malira's Avatar
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    Would the bigger leds in the par38 penetrate further than the smaller leds in the flat one?

    How about this it's 45 watts



    Or its one 36 watts



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  4. #4
    Supporting Member malira's Avatar
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    Quote Originally Posted by flipside View Post
    I'm running a PAR38 type bulb from Home Depot. Works great.
    The CFL 100w bulbs grow chaeto quicker, though. (Not actually 100w... they are like 23w, or something).
    Is it a grow light par38 or the one with white lights as well?

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  5. #5
    Supporting Member flipside's Avatar
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    White lights as well. The key is to put it right on top of the waterline. If you run two, you can have them a little higher.

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    Grow Out Room - 120g Aqueon/60g Acrylic Shallow/80g Sump

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  7. #6
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    I doesn't really take that much to do chaeto or calerpa prolifora. The other algae types are pretty undesirable. They will find a way to start in your main tank and you will never really get rid of it. Feather calerpa and grape are probably the worst algae types to get rid of when they invade your system. It's like having mojanos

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  8. #7
    Supporting Member malira's Avatar
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    Quote Originally Posted by reefling View Post
    I doesn't really take that much to do chaeto or calerpa prolifora. The other algae types are pretty undesirable. They will find a way to start in your main tank and you will never really get rid of it. Feather calerpa and grape are probably the worst algae types to get rid of when they invade your system. It's like having mojanos

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    Thanks. I need to look into that and see if there is a way to stop it.

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  9. #8
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    Quote Originally Posted by malira View Post
    Thanks. I need to look into that and see if there is a way to stop it.

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    Keep the lights on 24/7. If your power ever goes out, your algae might go sexual. It is not worth the trouble.

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  10. #9
    Supporting Member malira's Avatar
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    Quote Originally Posted by reefling View Post
    Keep the lights on 24/7. If your power ever goes out, your algae might go sexual. It is not worth the trouble.

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    Um, this is a family forum.Par38 grow light, anybody?

    Seriously, so darkness causes culerpa to reproduce or send out seeds? So 12 on, 12 off is not recommended?

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  12. #10
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    Quote Originally Posted by malira View Post
    Um, this is a family forum.Par38 grow light, anybody?

    Seriously, so darkness causes culerpa to reproduce or send out seeds? So 12 on, 12 off is not recommended?

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    You light algae for 16 hours, typically.

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    Corey Ingram
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