for flowering this is going to be my set up tell me if it's good.it is in the garage in the back i open the back off the garage for an hour every day to let air circulate and im going to have 2 fans circulateing the grow area for the lights im going to be useing 400 or 600watt hps lights with some CFL's around the plants shineing at the sides of them.for the soil and pots i have pritty big pots descent size i am useing a good soil i got at Lowes with fertilizer already in the soil.the seeds are purple mendo.how high should i let them vegatate before flowering them because i herd the logner u veg a plant it will yield more is this true any advise or answer would help thanks