need some help with QB please

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Have any experience with this company???

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How to use this LED , with uv, creeds ir ?

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How much will this take?

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Don't buy LED'S from Shenzhen Yuanhui in China!

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Aug 31, 2020

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240W and 320W Kingbrite QB's: 3500k or 3000k/3500k combo?

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Looking for your opinion people :)

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LED Light Distance from Seedlings

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LED stip grow light composition for elongation

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LED minefield which one will I buy .

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Aug 25, 2020

What do ya think? 4x4 top of the line brands head to head in tent.

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Aug 22, 2020

UVB UVA danger for skin exposure only ?

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Aug 21, 2020

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Aug 21, 2020

Cree 3590 CXB vs. ?? What light are you using?

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I Want The Best Lights In The World!!

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PAR vs. LUX - Conversion factor

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Hi everyone. Need help changed lighting

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Hi all! My introduction and a little query about missing LED cables!

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