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  1. DonJuanaGrow

    COB LED Growlights I want to build my OWN.

    I've been on 420 & Overgrow for over 2 yrs creating Grow Journals & Learning much about Growing. However I've just found out that these New COB (chip on board) LED Growlights don't use heat to power the LED's Dropping Hydro Consumption Expediently. Anyone else know anything about Building one of...
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