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Old March 19, 2009   #1
rldaye
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Default CFL bulbs as grow lights?

Hello " Tomatovillians" Has anyone used the new energy saveing light bulbs ( screw in type) , in place of the 40 W tube type? For seed starting. Newby, Ron
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Old March 19, 2009   #2
amideutch
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Yep, just converted. Runnin 6 26 watt 6400k and 3 Power Twists 40 watt 5500k. Ami
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Old March 19, 2009   #3
rldaye
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Hello Amideutch, Like your adjust feature for heigh, keep us posted on how the system works. Hope to see some other reply's to this post, haven't set up for artifical light yet so hope this post will be a learning experience.
Thanks Ron
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Old March 19, 2009   #4
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Earlier this year, I ran into a deal on lights. Lowes had 4 foot, two-bulb, T-12 fixtures for $8.95 each and I got three of those. Then I looked over in bulbs and found a box of 10 T-12 bulbs (40W, Daylight, 6500K) for $19.95. They have been working great.

But like Ami, I am considering those spiral thingies for a small germinating section of my roll-around seedling rack. I'm putting together some changes on how I'm taking my babies from seeds to plant-out and those spiral bulbs will probably be an integral part of the new setup.

I also like the height adjustment strategy in your setup, Ami. I'm currently using chains from the light fixture up to some S-hooks.

"Lookin' good in Ami's neighborhood".

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Old March 19, 2009   #5
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Quote:
Originally Posted by amideutch View Post
Yep, just converted. Runnin 6 26 watt 6400k and 3 Power Twists 40 watt 5500k. Ami
Nice conversion, Ted. I'd like to do the same thing but with three of the new LED bulbs I have here.
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Old March 20, 2009   #6
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I made an offer earlier and got no responses. I've got 6 each 23 watt 6400k CFL's like the ones in my picture that are 115vac 60 Hz That I will Give away. Reason being I can't use them here as they won't fire on 50 Hz voltage over here. Compensation for postage can be negotiated.
I've looked at the LED arrays and the price isn't there yet and the energy savings realized still can't compare to a CFL when you are using these seedling lights maybe 3-4 weeks a year! As a year round grow light then you can get a payback on energy savings to warrant the initial layout for the initial cost of the units. Ami
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Old March 20, 2009   #7
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Just let me caution you about a potential drawback to the CFL bulbs. Read the label/handle with care. Some of these have enough mercury in them to be an issue if they break. How do I know? I broke one. You're not even supposed to be in the room for 15 min afterward because the mercury has been aerated. There's a whole procedure for cleaning them up. Maybe things have changed in the last year.

Barb
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Old March 20, 2009   #8
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Ami, You have a PM

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Old March 21, 2009   #9
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I've been using CFL bulbs for the past three years with great results. I found some that have the same output as a 200w incandescent, but of course, use much less juice than that.

I use four of them in brooder clamp on lamp holders with large aluminum reflectors. I got it all at a local Menards.
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Old March 21, 2009   #10
fourtgn
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I used 3 of them before I moved my seedlings out onto the porch this year. Because I didn't have enough, I put the shelf in front of a sunny window and put the lights on the other side of the shelf. I just turned the plants every morning so they alternated sunlight and bulb light. They seemed to do fine with them. However, most of the actual sprouting was still done under 2 tube type bulbs.

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Old March 22, 2009   #11
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Quote:
Originally Posted by lumierefrere View Post
Just let me caution you about a potential drawback to the CFL bulbs. Read the label/handle with care. Some of these have enough mercury in them to be an issue if they break. How do I know? I broke one. You're not even supposed to be in the room for 15 min afterward because the mercury has been aerated. There's a whole procedure for cleaning them up. Maybe things have changed in the last year.

Barb
Yikes. I use them to light my peafowl enclosure at night and one of the birds somehow broke one today.

I cleaned it up totally but I now I'm thinking I should remove a shovelful of dirt from where it fell and smashed.
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say to yourselves with regret

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No matter how deep my sleep I shall hear you,

and not all the power of death

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Old March 22, 2009   #12
feldon30
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Those AeroGardens use flattened CFLs. I received a catalog in the mail and it had replacement bulbs in the back.
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