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Thank you. I use a mix of BLUE/RED and WHITE (daylight) LED bars for lighting as that gives the best spectrum (leaning towards blue) for what I need and uses much less electricity. The plants are started in rockwool and moved to the netcups with some clay pebbles on top to help control evaporation.

I have a full post on how I built it here:
https://steemit.com/gardening/@steempowergarden/home-gardening-with-hydroponics-our-indoor-lettuce-wall-garden-and-how-i-built-it-repost

Thanks for the info, I will check it out!