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I am studying this right now and will follow your posts. I am setting up Polytunnels and studying the addition of solar powered LED incase temperatures do drop and insulated walls are needed that would cut down natural light. Lots to learn. Commercial systems are the way to go for sure, to support local communities that have no idea what is coming. Let the community participate and grow their own food. I'll take a look right now : )

Where are you based? I am looking to get affordable led grow lights that work? I have tried many none work .. where can one attain these and at what price? Cheers mate nice to meet!

I am in the UK. I haven't bought any LEDs yet just learning all I can to start up next year. I bought a run down farm with some friends this summer and we are busy learning everything and getting the house warm for winter. I will let you know when I have some useful info to share. I think I have more to learn from you, nice work, nice to meet you.