Hello everyone, I am a new member and new to growing indoor. I know this has been asked before but its hard to find all my answers to my specific needs, I appreaciate all the help!! My questions are this, I am growing in a 15 Sq feet area, and was wondering what wattage is needed?? I plan on getting full spectrum LED lights, i plan on growing Hydroponics. Also 1 more question, I know full spectrum lights can be used in the flowering and vegatation stage, but How do I do this exactly? Is there some sort of switch on the lights?? I ask just to be sure Any tips are appreaciated, Plz do not reply saying I should grow differently or with other lights, I have done the research and have decided this is what Id like to do.. Thanks so nuch guys!!!