Yes you can use the stuff for aquariums as well, I only interjected when you suggested that you might use caulk. There are also other methods of stopping your leak, just wanted to make sure if you used caulk you didn't buy the wrong thing. There are plumbers grease/putty, oversized o-rings. I...
I'm going to preface my response with "cheap". Grab a shovel and start digging. If you ask for best soil you will get a thousand different responses, which isn't gunna help you. Just grab some dirt from somewhere and plant that thing. Amend it with whatever you like or nothing. Good luck
heres what im gunna tell ya its a heavy indica hybrid I would FIM or TOP every third node. I don't know how your are growing it but rather than trouble yourself with the pain in the ass of getting peoples specific responses on this strain. do your research on growing indicas in general.
I agree, with those dimensions you could easily buy one driver a few of vero's smaller leds and spend not much more money and drastically improve your grow. not to mention free up some valuable space.