Most popular are General Hydroponic's 3 part and some cal-mag plus.

Any of the main brands for hydro will work good. They are all formulated for hydro.

Don't forget a good water source.
LOC NAR on probation Reviewed by LOC NAR on probation on . Ok now im lost... Ok guys i have a small soil grow right now(my first grow ever). I want my next to be hydroponic but i am completely stumped on which way to go. I wanted to go aeroponic because how much space it saves compared to things like E&F but someone told me i wasnt really experienced enough for that. I then set my mind on E&F because it seems pretty easy to build. Now im hearing about DWC. I really have no idea on which way to go. Please help with this guys. My main points of interest are cost and Rating: 5