Hi mate thanks for ur help so fare. I'll explain my set up my lighting will be a 125 duel spec cfl for early stage then I will be using a 300 wat duel spec led and then add either 600 duel spec hid. Or a 250 hid or 400 mh. Or wat u suggest. The growroom is in a loft so its pyramid shaped bt high. Height has never been an issue as I've always topped or fimmed. I have a 6 inch extraction with control with a 4 inch as bk up and a 4 inch with speed and temp control for intake. For heating a electric oilfilled radiator and a dehumidafir with a 16 inch circulateing fan for air movement. I do hav two smaller fans wich Cud be added later the systems I have is a 20 liter single dwc with 50 mil golfball air stones also I have wat is called a brummie bubble it has a 90 liter rez. Two subsurface trays sit on top it has a drip ring system and 50 mil airstones I also bought an extra air pump to add later on . So that's my set up I will put up photos when i no how to. So I'm ready to go mate I've gt all the canna nutes u sugested. So week one day one how do u germinate I use tissue then root riot cubes wat do u feed them coca mate when u put germnated seed in cube........ over to u mate