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Thread: Actual, factual, for real LED lighting

  1. #9
    Never Knows Best gill_za's Avatar
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    If I remember correctly your LED mix consists of Deep Red, Blues, and various whites. I wonder if the same coloration can be achieved only with combination of Red and Blue skipping everything else?

    P.S. I guess here is my answer: Its time to build a Cephalotus grow space, would love input!
    Last edited by gill_za; 06-09-2016 at 11:33 AM.

  2. #10

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    The main 3 racks are 14 CREE XP-G2 LEDs for each rack, a combo of warm white, neutral white and cool white.

    The 4th rack has 4 white CREE XP-G2 LEDs on one side with Phillips Luxeon 2 Blue/2 Red LEDs on the other. So I actually do have about 6 Cephs growing only under Blue/Red lights. No whites at all.

    Here is a quick photo of what 2 of them look like today. They are both 'Czech Giant' clones and have always had a darker coloration than other clones so keep that in mind. Also these are getting about 40% of the light as the others. The Cephs growing under the 4 white LEDs are not showing anywhere near this coloration.

    But as I've stated in that giant thread, I don't like walking by and seeing that blueish light, I can not tell the health of the plants without moving them or getting a flashlight

    Lighting these with the 2 Red/2 Blue LEDs is costing around 5-6W per hour for an approx. 10" X 10" area.

    DSC_0592
    by randallsimpson, on Flickr

  3. #11
    farmertom's Avatar
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    Hey yall, thanks for all the LED wisdom! I would love to build a serious DIY setup in the future, but I'm not there yet, ha. I ended up swapping out the fixture I bought for a two bulb T5-HO fixture I was a little sad to return the LED lamp, it was a cool toy- but the new light is almost 5 times brighter and has the right spectral peaks, so I did the right thing and put my children (plants) first, like any good parent. They'll thank me when they're older.

    So far everything looks good- I eased them into our first full 12 hour cycle today and nobody's been burned. I opened both windows and have been running the ultrasonic humidifier during the day cycle to buffer any dry heat damage. Here goes!

  4. #12

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    Oh just to point out...we have one of the LEDs fixtures the original post started out talking about and it is working great for its intented purpose...on an aquarium Growing nice healthy aquatic plant.

    I still have about 6-10 T5 fixtures to replace myself. They will eventually all be LEDs, the "good" LEDs are just so much better energy wise. Too bad the market is flooded with so many of the cheap ones.

    Good luck with the plants, T5s are a safe and reliable way to go.

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