Hydro....nutes?

Could I ues something like Dutch master gold by itself or do I need other nutes on the side? Using ebb and flow in coco. Also is a 1000 and 600 wat hps in 4x4 area good coverage?

in not familar with the dutch so idk,i use 3 part genral hydro. but as for your light s thats a lot of light for a 4x4 the 1000 would do but hey more is not always better make shure u got a good intake an exhasust my budddy has a 1000 an a 600 and it gets preatty warm at times and id say his is a 8x8 easy good luck sry for no help lol