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Post  eflan on 2/5/2012, 10:19 am

I've read (somewhere) that LEDs make good grow lights for seedlings... especially the white variety. Anyway, I had a bit of a brainstorm and was curious about how viable it would be. Money is a little tight - and this would definitely be in my price range.

You see, I can pick up a strip of 26 white LEDs for $19.95 at a computer supply store (NCIX.ca), then use the power supply out of this ancient computer that's sitting in my closet and nobody even wants for free to power them on. I could attach them to the lid of a rubbermaid tub for seedlings (it has a sticky backing) ... even put it on a timer if I was so inclined. The strip is 36 cm or about 16.5 in long, and can be cut into smaller pieces as well (and new wires soldered on). I won't be growing many seedlings, so one is likely all I'd need.

(For the record, you can short out a couple pins on the PSU to make it run without being hooked up to a computer.)

What are your thoughts on this?


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Re: Lighting...

Post  camprn on 2/5/2012, 10:24 am

I had good success with the 'Natural light' CFL last year. The plants under one 'white' light tube always seem to reach toward the 'natural' bulb. Not scientific, but it was worth noting.


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Re: Lighting...

Post  RoOsTeR on 2/5/2012, 10:35 am

My DYI side would love to see what you come up eflan. Very Happy

This should work too:
I put 2 different "spectrum" grow bulbs in mine just for grins and it's done just fine for me.


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Re: Lighting...

Post  lisaphoto on 2/5/2012, 6:09 pm

I just spent only $30 to build this shop light grow stand including the shop light and the bulbs ( I bought cheaper daylight bulbs)

It seems like this might be a little less complicated than you mentioned, and lots of people use this type of lighting. Plus you can move the light up and down.

Just a thought


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Re: Lighting...

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