I recently purchased 2 ROI 680's for my 4X8 Gorilla tent W/The 1' Extension. Tent was full of plants that were already 4' tall. Grown under 8" Raptor Hoods With 1000Watt MH bulbs. Amps turned down to 600Watts. I pulled the Raptors and put the new ROI 680's in. Cranked em all the way up to the...