To be honest, we thought hydroponics was just a method to grow better dope plants inside your closet. That was before we stepped foot in Tempe's Sea of Green. Turns out it's actually a real science, dude. Who knew? Contrary to popular belief, hydroponics isn't about growing a plant in water. Heck, we all did that as kids with pineapples and potatoes, so who would need fancy supplies for that? Most hydroponic gardens are cultivated in a stiff substrate, like floral foam or Perlite, soaked with water and placed under a UV light. Sea of Green offers everything you need to set up an indoor hydroponics garden. There are seeds, pots, herbs and full kit systems with catchy names like Ebb & Flow. The bulk of the place's business is mail order, but hey, there are probably just a lot of model citizens out there growing organic plants. Yeah, that's it. Big, leafy, green, er, vegetables.