There is one system (it's big bucks too) that has a single 1000w HPS bulb. The plants turn around the bulb like on a Ferris wheel. When they reach the bottom they get a drink. It turns very slowly and yes the plants at the top are upside down. I hear it does work. They grow like 60-100 plants with a single bulb. There is a version that has 2 bulbs end to end as well.

Wish I could find the link but someone will post it.
Zandor Reviewed by Zandor on . Upside down plants ? I saw an advertisement for a hanging tomato garden in which the plants grow down from the bottom of the pot. Nutrient solution is added to the top. Has anyone tried this with buds? I may just to see if THC drains down (doubt it, but who knows until you try) or if the drooping heavy bud syndrome is eliminated. Just curious about your results. Did you have to smoke it upside down to get the best results? Rating: 5