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LED grow lights......any advice?

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LED grow lights......any advice?

Post  lyndeeloo on 9/22/2014, 4:25 pm

I would like to bring in some tomato and pepper plants for the winter and was thinking of investing in LED grow lights. I have done a lot of reading online and in store research, but I find it difficult to make heads or tails of all the technical information.  I was wondering if anyone has used them and had any advice. It's a big investment and I'd love to hear from someone that actually uses them before I make a decision. Thanks!
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Re: LED grow lights......any advice?

Post  boffer on 9/22/2014, 4:52 pm

I get lost in the technical data too.

Plantoid is a proponent of LED lighting and is using them.  If he doesn't respond in this thread, you should PM him.  Here are his and my opinions about lights for indoor growing:
http://squarefoot.creatingforum.com/t18101-grow-lights#198881

I haven't tried LEDs.  From what I've read about them, I'm not ready to make the investment yet.  Developmentally, they are in their infancy, akin to color televisions and desktop computers when they first became available ie. high priced and lots of room for improvement.

I'm learning the hard way that tomatoes need a certain amount of light every day, as well as heat.  I tried growing 2 tomato plants indoors under a HID Metal Halide 600 watt light.  The plants grew well and were healthy, but fruit production was low, despite the hand pollination I did.  

I haven't tried growing peppers under lights.
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Re: LED grow lights......any advice?

Post  plantoid on 9/22/2014, 5:10 pm

I have  only used them in conjunction with a heated temperature controlled bed , they are in a three sided lidded enclosure . i only used the bed and light to germinate  and grow plants to a suitable size for transplanting or planting out in the gardens
 
As I also have a glasshouse  I usually moved the germinated seeds with at least two  leaves on them out into the glasshouse which also has a heated bed in 12 x 16 inch seed trays full with 32 or 33 of my bottomless seed growing tubes . then grew them on in cooler frost free conditions till planting out time arrived.

The reduction in electricity costs from using strips or incandescent lamps to me using the LED's should have easily paid for the two LED full spectrum lights I have as they are now two years old and have been used for about five months solid for each of the two years .

 The lamps were suspended about five inches above the seeds , the walls of the enclosure are made from foil backed insulation foam with theh reflective foil on the inside to reflect any  light back to the plants .
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