nice set up...much nicer than mine..lol...i cant give u much advice on the growing part as i am doing mine for the 1st time right now...about to switch to 12/12 next week sometime,as soon as my hps lamp arrives,but i dont remember watering that much in the begining...i want to say i would only water about once every 3 days...but i by no means have any right to offer advice as all this is new to me too...good luck with it hope they come around for ya...