HUH? LMAO! ^^^^ Rocket scientist? Do not go to mercury vapor bulbs....LOL Oh my god I can't hardly type for laughing...MH (and it's Metal Halide!) is THE best for veggin....HPS (High Pressure Sodium)THE best for flowering...5,000 watts of light is an awful lot for 30 plants, so grow 50, or turn two off!

Yep, that's a lot of light...I bet it IS bright....you just have a tanning room/grow room combo garage, is all....I recommend at least a 30+ sunblock if you're going to be in there awhile....and shades....gotta wear shades maaaaan....go and get yourself some cheap sunglasses! (Credit ZZ Top!)

Dam....I can't stop laughing!!!