hello fellow growers this is my 2nd grow with 400w MH/HPS but like 4th or 5th in my life...my set up is a 4x4x6ft round bout area with 400 watt metal hilide for veg and hps for flower have a exhust fan and a box fan for circulating air also have a 650cfm carbon filter for later in grow temp usally stays round 75-85 during the day bout 65-75 @ night have them on a 18/6 light cycle they are 9 days from sprout having issue with one of seedlings leaves curling....there are four plants seeds are random bagseed from good mids post pics of set up and soil open to all help trying to use min. chem. ferts....any questions just shootem at me!