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LED Grow Lights for Beginners: What to Avoid When Buying on Amazon.com (and Other Online Retailers)

Another Video from Youtube. 

 

Peter Grant
 

  • @tangobayus says:

    I use 4K white LED shop lamps that cost about $30. They work just fine. Remember the inverse square law. If you reduce the distance from light to plant by half, you quadruble the number of photons the plant receives. LED’s run cool so they can be put just a couple of inches above the plant.

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