they look healthy enough get ready for them taking of during flower.I myself use both fluro tubes and mh for veg and imo some strains prefer the fluros to the mh dont no why this is .i use the fluro tubes for clones and seedlings now.anyway best of luck with this grow i know the probs that occur with hydro lol been going through some myself i will be sure to check in on ur thread to watch ur progress . be safe and best of luck the postman.