my rig: "old school" hydro resevoir with 1/2 gallon containers with lava rock media. Aquarium bubblers in 1 inch of grow solution. General Hydroponics ferts used, plus diamond nectar and superthrive and some epsom salts. 400 watt metal halide, and 150 HPS at end of flowering. Regular 18 hours day for veg and 12 for nights...temps averaged 60 to 75F due to my new exhaust system.