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Fluorescent grow light, comparison test

light lighting fluorescent test compare

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#1 Steve66oh

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Posted 10 February 2014 - 08:42 AM

Last week, I saw a thread here from someone who compared 4 different grow light tubes (against each other and sunlight) by growing 5 sets of seedlings under controlled conditions. Now, I can't find that thread. Can anyone provide a link to it? Thanks!


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#2 juanitos

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Posted 10 February 2014 - 01:15 PM

think i remember this thread i'll look... hmm can't find it

 

experiment flouro grow room vs greenhouse sun/hps

experiment with ga3

experiment cups vs bags

hps vs cfl


Edited by OKGrowin, 10 February 2014 - 01:22 PM.

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#3 Steve66oh

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Posted 10 February 2014 - 11:15 PM

I found it! It wasn't a thread here, just a link within a comment on a thread - and the hyperlink is spelled "flourescent" (Baker lights?), so it didn't turn up in searches. I'm also going to post this link in the "Light 101" thread: fluorescent comparison


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#4 Jetchuka

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Posted 11 February 2014 - 09:33 AM

All great links, thank you for posting them. I had read that fluorescent comparison a couple of years back, it convinced me to mix in a few GE kitchen and Bath tubes along with purple hue lights (red+blue spectrum)..

 

And since my 250w CFL order was mysteriously canceled, i'll now either pickup a 4-buld T5 assembly, or a 250w HPS. I really like the results in that 150w HPS comparison btw, talk about efficient.



#5 scratchzilla

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Posted 11 February 2014 - 12:00 PM

I love my 250w HPS. Just throwing that out there.
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#6 Jetchuka

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Posted 12 February 2014 - 10:14 PM

Scratchzilla, your endorsement nearly convinced me, unfortunately i have to be price conscious for now, so i got this configurable 4-bulb T5 setup instead:

 

It's hard to see in the pic, but each tube has it's own narrow reflector, and it was hard to argue with $85 shipped.

 

A 250w HPS would have set me back around $130, because i would only get one with a magnetic ballast (no RFI). It would have sat next to all of my cable TV equipment in the basement.

 

(ends the thread hijack)







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