Hi I am thinking of using the following set up;
Flood & drain 3' x 3', 4" rockwool with clay pebbles around it, lumatek 400 W e ballast(uses both MH & HPS), Hydrofarm Radiant reflector 21" x 21" (no glass), horticulture lamps, exhaust fan for flowering smell, ocillating fan. Not too worried...