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Old 09-04-2018, 09:23 AM   #1
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Grow lights - help


Long ago I had a nice set up, a combination of 4' daylight tubes(2) and 4' grow light tubes(2). I started a lot of pretty plants under that rig. Pretty much quit gardening 23 years ago and sold it at a yard sale. For the last few years I've used my CFL photo bulbs to start a few tomato plants.


My wife is into succulents this year, broke one of my bulbs and we are in need of some combination that will light a 2x4' table for the winter months. Her hobbies come and go so I would like to stick with standard base LED bulbs that fit into my photo stands or clip on work light sockets and store easily when she moves on.


I am totally confused. Do the red,white,blue LED bulbs provide the full spectrum of light? The total lumen output is rather low or so it seems to me.


If you have any experience in this area you helo is greatly appreciated.
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Old 09-14-2018, 07:41 PM   #2
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Re: Grow lights - help


The grow light industry is booming with the legalization of marijuana in many areas. There's plenty to pick from on Amazon.
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Old 09-14-2018, 09:12 PM   #3
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Re: Grow lights - help


Regular LED lights in general don't have separate Red, Green, Blue elements. They have one deep Blue emitter with a phosphor over it that converts the Blue to a "White" light.

This is not the case for dedicated LED grow lights. For grow lights they in fact do have separate color elements inside and no phosphor. Plants mostly use Blue and Red and reflect Green so LED grow lights will only have Blue and Red emitters. That means there is very little wasted energy putting out light the plant can't use. Lumen output does not compare with regular lights because of this.
Of course there is a sliding scale of price vs effectiveness. The more expensive ones will more closely match the ideal photosynthesis spectrum.
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Old 09-15-2018, 09:19 AM   #4
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Re: Grow lights - help


Thanks to both of you for replying.


After an extensive use of Google I picked the best option which was close to what I had before only with high output tubes. The Admiral vetoed that as too ugly for upstairs use.


We settled on 2 100w equivalent 26 watt actual LED grow bulbs, paired with 2 new taller photo stands and are using my existing Photo lamp sockets with the new stands. There is a nice rosy glow in the the dining room.



It looks like we are growing pot in the dining room
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Old 12-07-2018, 11:04 AM   #5
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Re: Grow lights - help


Quote:
Originally Posted by Colbyt View Post
Thanks to both of you for replying.


After an extensive use of Google I picked the best option which was close to what I had before only with high output tubes. The Admiral vetoed that as too ugly for upstairs use.


We settled on 2 100w equivalent 26 watt actual LED grow bulbs, paired with 2 new taller photo stands and are using my existing Photo lamp sockets with the new stands. There is a nice rosy glow in the the dining room.



It looks like we are growing pot in the dining room
How's the set up working? It's been about three months, curious to know.
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Old 12-07-2018, 12:56 PM   #6
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Re: Grow lights - help


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How's the set up working? It's been about three months, curious to know.



She is just doing succulents and they seem to be doing fine.


When I sneak some tomato seeds in there in the spring I will let you know.
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Old 12-07-2018, 05:15 PM   #7
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Re: Grow lights - help


I've posted it before, but don't get it too close to an outside window. I had the Sheriff call one evening asking what I was growing (small town USA). I told him the normal stuff. He said OK and for me to look out the back porch. It was a DEA helicopter using IR, and my house lit up like a neon sign with all the grow lights for her seedlings. Of course that was before pot growing became a fad.
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Old 12-08-2018, 07:25 AM   #8
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Re: Grow lights - help


I fear your advice comes far too late. The DR window glows with light. I just leave the blinds open enough for them to see.
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