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Thread: Enough light ?

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    Enough light ?

    Im currently using a 10 gallon terrarium to grow cephalotus, heliamphora, mexican butterworts and some drosera. the question i have is do i have enought light ? im using two 18inch t8 fixtures. one is a cool white 15ww bulb, and the other is a natural sunshine 15ww bulb. is that enough ?

    kgrudz

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    mass's Avatar
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    I'm still pretty new, so don't take my word for it.. BUT, I'd say the cool white may have no effect on them and you should try to get at least 30W bulbs. But then again, that does seem like a lot of light for a little 10gal., which is good. More light the better..

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    Your one and only pest! Ant's Avatar
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    The most important thing to a plant is the color rating and amount of lumens it produces. I believe anywhere between 6500k and 4000k and the more lumens the better.

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    Quote Originally Posted by Ant View Post
    The most important thing to a plant is the color rating and amount of lumens it produces. I believe anywhere between 6500k and 4000k and the more lumens the better.
    Most of us noobs have no idea what that means. In fact, I still don't..

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    Your one and only pest! Ant's Avatar
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    Well, the color temperature rating is the different light wavelengths the light produces. 6500k is what we see here in the north, and is blueish. 5000k is what you would see on the equator. Its important because plants can only use certain colors of light to make sugars, for example, green light is useless. Lumens is just a unit used to measure the amount of light there is. More lumens = more energy a plant can trap in sugars.

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    Minimum for neps, mexi pings, and other (relatively) low light species is 3,000 lumens, so I'd say about 6,000 lumens for the helis and cephs.

    By the way, n00bs (like me) can figure out color rating and lumens fairly easily... just look on the box that you got the lightbulb in!
    "Potential has a shelf life." -Margaret Atwood
    My meager growlist

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    Quote Originally Posted by w03 View Post
    just look on the box that you got the lightbulb in!
    what if our bulbs came from friends and without a box?

    I'm using:

    2 ~ 35 watt T12 Sunshine lights
    1 ~ 35 watt T8 Dalight light

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    what kind of bulbs produce a lot of lumens. all of the t8's at homedepot that were between 4100k-6500k dont go above 950 lumens. so where can i get a stronger bulb ?

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