Beersponge
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Thanks for your input. Appreciate the information.One 240 watt light with the two panels would be enough for the 4x2 for veg and flower by itself. If you wanted you could run two (four total panels, 480 total watts) lights for superior coverage, this would also produce less heat and last longer because you don't need to run them at full power/brightness. If you are going to get new lights I would just replace the one you have, I don't think it would be worthwhile trying to integrate the old with the new.