will be using hydro ebb and flow, one for veg and one for flwr......pretty much a total n00b here......what do i need for light for 24 plants, i know mh for veg and hps for flwr, but what wattage would be ideal for 24 plants? how big of a hydro table would i need for the 24 plants? 3inch or five inch rockwool? much more to come......