I just contacted the seller AGAIN and they're taking it back! Phew...! You dig me, bro...Re sell it if you can't return it. There are a lot of people on RIU that would love to have one. I understand you want all the top gear. I'm the same when it comes to satellite systems. I've bought stuff just because it looked cool but I doubt I'll ever use haha. You obviously want to learn about this "hobby" and to be honest it doesn't seem like your growing for profit. The device is a cool item and in the right system it would be invaluable but is not good at all for an autopot system.
If I'd posted here a month ago, I wouldn't have bought a third of the things I bought. BUT I'm sharing the expenses with my buddy, so I don't mind experimenting with this a little. Besides, most of the items I bought (except for the pH doser which I'm getting a refund for and the nutez and additives) can be used in the house; (De)Humidifier, 85 liter pots, and... that's it!) I like to research about everything I do. I'm a nerd, if you will. And I really enjoyed asking you guys questions and the fact that you answered almost all of my questions the best way you could. I felt comfortable doing that. Thank you very much for the spirit of generosity that you guys have. I AM taking all your advice and what you're telling me is shaping and fine-tuning the crude knowledge of the grow that I'd researched online. I never realized I was asking the same question, but maybe a different aspect of the same topic, so if I seemed repetative, I apologize. That wasn't my intention. Anyway, I've set up the whole thing and I'm waiting for the fan+filter to arrive. Hopefully in a week or so.