Hi, im planning a nft grow iv got x2 gt424s each able to grow 14 plants.. Im a good grower in soil but want to take the leap in to hydro. Im planning on SOG with 14 plants under a air cooled 600w light. My question is how is the best way to run these things and what advice can you give me to get the best from them. all will help... Thanks inadvance and il upload some pics of my set up later. P.s i plan to take cuttings from the 40 plants im growing at theminute for the systems cheers