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Thread: Grow lights...

  1. #25
    Let's positive thinking! seedjar's Avatar
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    Quote Originally Posted by Johnny View Post
    Cephs need dormancy in order to survive long term.
    I've seen a number of accounts that would say otherwise. Cephs grow when they want to under optimal conditions; there are plenty of people who grow them inside under constant photoperiod and temperatures year round, and there are just as many that grow theirs in a window or outdoors where they're fully exposed to seasonal variations. Different clones respond in various manners. Some halt growth during cold, short days; others produce non-carnivorous leaves. I haven't come across any convincing evidence that they have a dormancy the way VFTs or temperate sundews do, though. Cephs must photosynthesize throughout the winter to survive, unlike the temperate CPs - I think there may be a distinction based on metabolic characteristics.
    ~Joe
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  2. #26
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    Quote Originally Posted by cmm889 View Post
    its not that simple johnny, australia has a "wet" and "dry" season its not the same as like a summer and winter in the states...in most cases of course.

    dormancy for most North american species of Cp's means they dieback basically... that doesn't happen with ceph's ( with the exception of their rumored random diebacks not due to seasonal changes ) no matter what cephs should be maintaining active growth ya know?

    if you want to upload a photo which I'm finding more and more with this thread as necessary... you can use a photohoster like Photobucket.com and make an account then they give you an image link for each photo. post the link and we'll see the photo...

    Good luck
    I understand all of this and never said they were dying back. They were kept warm and on the dryer side until I cycled them. Now they are resting at much cooler temps with a diminished light cycle and are now in a tray of water to simulate the wetter part of their annual cycle. The plants are fine except for the color which was the whole reason I started this thread to begin with. It's gotten a little off topic here so, I'm done with it. I just wanted to know where to get some damn GE grow lights !

  3. #27
    Av8tor1's Avatar
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    Try Lowe's.... around here they carry both the GE plant and aquarium and the GE "Sunshine" bulb (T12). The sunshine is just a new name for their "Chroma 50".

    It is also practically the same as the GE broad spectrum grow bulb. Both have a CRI of about 90.
    The sunshine still says Chroma 50 on the bulb itself

    Given the option I would recommend the sylvania grolux (non wide spectrum, no WS in part number.... there are two variants) mixed with the Chroma 50, its a magical combination for the T12 format. It uses a rare earth red phosphor that is very desirable (670nm output).

    http://bluegrasscarnivores.com/research1/grolux.pdf

    Following pics are from the Sylvania Std. Grolux/GE Chroma 50 combination with DIY mylar reflectors



    Av

  4. #28
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    Quote Originally Posted by Johnny View Post
    The plants are fine except for the color which was the whole reason I started this thread to begin with. It's gotten a little off topic here so, I'm done with it. I just wanted to know where to get some damn GE grow lights !
    i would say lights arent the problem cause ive gotten clones that color up to color up under 4 cheap T8 bulbs.....seems others agree with me which is why this went off on a tangent....we are just trying to help YOU figure out why YOUR plants arent coloring up.....if your going to gripe bout opinions given than maybe keeping questions to yourself might be a better plan....BTW your theory that cephs NEED a dormancy dont pan out in the real world....most growers dont give them one and have no problems....i have never given my plants one...

    ceph grown under 4 T8's in my basement


    a clone thats more green


    both clones growing together
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  5. #29

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    Quote Originally Posted by seedjar View Post
    With T12s, just go ahead and buy the cheapest fixtures you come across. I buy a few whenever I see them on sale. A basic two-tube, four-foot shoplight is less than $10 around here on sale. More commonly I come across ones for $20 or $30, but they usually feature things I don't need, like built-in switches or low-temperature ballasts.
    If you're able to make an investment, http://www.contractorlighting.com/ has awesome deals on T5 fixtures.
    ~Joe
    I'm trying to upgrade my lights to T5HO... problem is I can't find any. My grow area can only fit a 3' or 36" bulb system. The high bay T5 fixtures at contractor lighting would be perfect, but they're only in 48". And at $120 thats the cheapest I've seen. The only things I can find that fit what I need are the 400 dollar tek light's and aquarium hoods, which are ridiculously expensive. I'd like a 4-6 bulb unit, but I guess I have to make it from scratch and buy all the pieces separately. You guys know where I can find this or get all the pieces at a decent price?

    also found this, but its a darn hood
    http://cgi.ebay.com/36-T5-HO-Aquariu...item439bfd27a9

    ---------- Post added at 08:01 AM ---------- Previous post was at 04:23 AM ----------

    found some single 3' striplights w/ 39w 6400k ho t5 for only 25 bucks that are daisy chainable so I might just buy 6 of these.

  6. #30
    Let's positive thinking! seedjar's Avatar
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    Those sound pretty cool, but one thing I'll suggest is that you look into the prices for tubes of various sizes. I never would have gone for four-foot T12 shoplights before I researched it, but it turned out that the tubes (and fixtures) were significantly cheaper than the alternatives. In a lot of cases, a single four-foot fixture or tube was cheaper than a single two-foot item of equivalent wattage. I don't know what it's like for HO T5s, but among T12s the industry seems standardized at four- and eight-foot form factors, as those are the ones that seem cheapest and most plentiful.
    ~Joe
    o//~ Livin' like a bug ain't easy / My old clothes don't seem to fit me /
    I got little tiny bug feet / I don't really know what bugs eat /
    Don't want no one steppin' on me / Now I'm sympathizin' with fleas /
    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

  7. #31

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    I'm looking for a high bay myself, though I liked seedjar's link to the $120 fixture, it doesnt look like it comes with the bulbs and T5 bulbs can get pretty pricey. The best I've been able to turn up so far has been this setup for $150 for a complete setup. http://www.electricalmarketplace.com...ded-P1305.aspx

  8. #32
    Let's positive thinking! seedjar's Avatar
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    There was a deal at contractorlighting.com that came with bulbs, but I think it ended at the beginning of the month. Spending money on the fixture isn't a bad thing - you want to best fixture you can get to take full advantage of the bulbs. And it's a one-time expense (barring replacements at least.) But in the long run, bulbs are where the real cost is because that's the thing you have to replace all the time. Apparently T5 tubes rarely need replacing, so the cost is fairly marginal when you work it out over a number of years. So, when I was working out the prices myself, after I figured that out I was less concerned with the price of tubes in my overall evaluation of the various brands. For what it's worth, the cheapest cases I could find outside of eBay were at 1000bulbs.com.
    ~Joe
    o//~ Livin' like a bug ain't easy / My old clothes don't seem to fit me /
    I got little tiny bug feet / I don't really know what bugs eat /
    Don't want no one steppin' on me / Now I'm sympathizin' with fleas /
    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

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