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Review: LED lights
On 5/21/2010 11:01 AM, Billy wrote:
In article , Pat wrote: The Cook said: This year I got a late start on my tomatoes. I started the bulk of mine on 3/15 and a few more late arriving seeds on 3/27. I started the first ones in the house with grow lights and the second ones in the greenhouse. The first ones got leggy very fast and I moved them to the greenhouse as soon as most of them germinated. They all went outside as soon as it was warm enough. I set out the first block on 5/10 and the second one yesterday. The ones that I started in the greenhouse look much better. Think I will bite the bullet and heat the greenhouse next year and keep all of the tomatoes in it and not try to start too early. Maybe slower germination but better looking plants later. I am betting that the later starting plants will be more successful that the others. I remember reading somewhere that a healthy plant resists insects better. I am guessing they also resist diseases better. Oh, yes, I agree that it doesn't pay to start too soon. Better to wait, and have plants that are smaller but unstressed and never checked in their growth. Which is one reason I'm happy with the LED lights, as the plants avoid all the heat stress from the metal-halide lamp that I used to use. I started my plants on April 9 in Jiffy-9 peat pellets, transplanted them into the 32-oz yogurt tubs on April 25 and took the tomato plants outside for the first time on May 19, when our weather finally broke mild again. After a few days of hardening off they may get transplanted out. (Each year this depends on the way the weather trends at the end of May.) The peppers and eggplants won't be going out quite yet but they can use the extra room under the lights now that the tomatoes are outdoors. Then there is T5HO florescent lighting, which I used this year, and am very happy with. 4 Light T5 High Output Fluorescent High Bay Fixture http://www.prolighting.com/4lat5flhibay.html Features: (4) 54W T5 High Output Lamps 5-Year Ballast Warranty Specs: 20,000 Lumen Output 83 Lumens per Watt 95% Lumen Maintenance 20,000 - 30,000 Hour Lamp Life 98.7% Fixture Efficiency 239 Input Watts 120-277V 50/60Hz Programmed Start Ballast -20? F(-29? C) Min. Start Temp This for $119 vs $627 (LightBlaze 400 LED Grow Light) http://www.amazon.com/LightBlaze-400...2NSGA0G/ref=sr _1_1?ie=UTF8&s=miscellaneous&qid=1274457331&sr=8-1 Did you see that they have a 30000 lumen version for $149? Bob |
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