Great video Joe! Thanks so much, I got my kit in the mail yesterday. Great surprise when I got home from work. It still gets pretty cold at night. Today is actually last frost date. I'm going to get them started inside tonight. I'll toss in a little epsom salt in one to compare. I have a big bag of it that I use in my aquaponics setup in the greenhouse. Fired that up today, I plan to run it with fish in the tank this year. Last year it ran on ferts because my fish weren't really big enough, but they are now. I built that out of an IBC tank, you can check that out if you go back a little in my greenhouse blog.
http://alex-dome.blogspot.com/