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Question about grow lights for starting seedlings
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So I used to start a lot of plants indoors under grow lights, but due to life situations, I haven't been able to do that for the past few years. This year, the opportunity to start seeds indoors has become available again, but I'm a bit out of the loop.

When I was using lights, the best balance between price and performance was T5 fluorescent tube lights @ 5,000 to 6,000K. Those bulbs don't seem to be available locally anymore with the advent of LED tube lights.

So my question is, can I use LED tube lights to start plants, and if I can, what is the most important spec to look for when using them for that purpose? Lumens? Kelvin? Something else? I have currently have a ballast that accepts 21-inch T5 tube lights, and a couple of old T8 14-inch ballasts as well. I could also purchase T5 fluorescent tubes @ 4,100K, but my understanding is that the spectrum of light at that kelvin is not optimal for plants.

Thanks for any insight

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1 year ago