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Registered: 03/08/13
Posts: 9
Last seen: 3 years, 6 months
direction of light rays
    #661587 - 03/08/13 10:09 PM (3 years, 7 months ago)

I'm going to go with CFL's. Now my question is instead of using one 200 watt at 1 stationary position or can I use two 100w in 2 stationary positions? Will it create the same yield?

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Registered: 05/03/12
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Re: direction of light rays [Re: sinner]
    #661641 - 03/09/13 05:09 PM (3 years, 7 months ago)

I'm guessing it's better to go with 2 smaller bulbs, cover more area.

The only down side is light intensity is slightly lower. Which means light doesn't get to the lower branches as much

80$ light system with crappy reflector+25$ good reflector. Worked great for me :rasta:

Edit: didn't realise CFLs were so cheap :o 200 watt is on ebay for 30$ auction almost done

I am Thread Killer.

Edited by Maestro (03/09/13 05:14 PM)

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Registered: 02/18/13
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Re: direction of light rays [Re: Maestro]
    #662299 - 03/14/13 09:18 AM (3 years, 7 months ago)

IMHO, the lots of smaller ones are better from a "many points of light" perspective as well as economy.  You can get a shitload of 16W bulbs for cheap.  I think you can get 4 for under $2.  Three 4-packs will net you nearly 200W.  Hell, just splurge and get four 4-packs, a handful of Y-splitters, and you're set.  For fun, I arranged 8 bulbs on 7 Y-splitters on one light socket.  Very bright!  A home-made reflector made of printer paper (yes, I said it!) over the top will send wasted light to the plants.

Edit:  Home Depot has Ecosmart 14W bulbs in 4-packs for $1.99.  Each is 900 lumens or 64 lumens/W.  I believe you can get them in 2700K and 6500K. 

I suppose you have to consider the cost of splitters and such in the bulb cost equation ... but multi-point lighting from low-power sources is better, I think still ....

Edited by zzzzzz (03/14/13 09:26 AM)

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Registered: 12/23/09
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Re: direction of light rays [Re: zzzzzz]
    #662608 - 03/17/13 11:58 AM (3 years, 7 months ago)

if you feel like just playing around/experimenting with cfls then at least go with the "outdoor" ones that have a 200+ watt equivalent
and run about 65 real watts. 
look in the oudoor lighting section of your lowes/homedepot/

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Registered: 02/18/13
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Re: direction of light rays [Re: grod31]
    #663751 - 03/27/13 08:17 AM (3 years, 6 months ago)


4x23W for $5.  Get two of those and you're close to 200W for $10, plus another $10 for splitters & such.  8 bulbs spread over that little grow space ought to give pretty good coverage.  Or get 16 (three 4-packs) of the 14W jobbies for $15.  Both those setups equals 12,800 Lumens.  All for under $25.  That's hard to beat, price wise, compared to anything else.

Edit:  Added picture of a little representative setup for basement lighting I'm playing with. 

It looks like the number of splitters for such malarkey is n-1.  So 15 splitters figure into the cost of those bulbs.  Either that or rig up a string of fixtures.  Another type fixture worth considering is a screw socket to plug converter that you can plug into a strip.

  http://www.homedepot.com/p/t/100170446?catalogId=10053&langId=-1&keyword=light+socket+plug+converter&storeId=10051&N=5yc1v&R=100170446#.UVLzIG_A-Vo ;

They're about the same price so there's flexibility in the design without much effecting total price.

Edit 2:  The diameter with 8 bulbs is 15".

Edited by zzzzzz (03/27/13 09:48 AM)

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Cannabis, Marijuana, Ganja & Greens >> Cannabis Cultivation

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