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Wondering where i can buy large(long) heat sinks for COB chips? anyone got a site? Also where are you guys getting your chips, fans and drivers etc? Ebay, china, etc? Id love to build a 8 foot long heatsink with passive cooling (no fans).

Can we get more specs on the led lamps? are they cob(square) style? (they must be, cause anything else is a waste of time IMO). Can you take some up close pics of the lamps? how many leds and how much (advertised)wattage per chip ? I assume your AC is working alot less now too eh?

Are those COB style leds? Do they actually pull 390 from the wall? I assume they put off way less heat than the 12 hps? Nice setup. Nice big buds, you know what you are doing. What strain is it?

Hi there, interested in building some led light bars, for a 4x8 table. 32 plants on the table. would like to use 32 led cob chips, one for each plant. Im currently using 3 825 watt chinese panels (825 watt real draw verified with killawatt, 9x64x3w per panel) as you can see i use alot of...