I would like more info on the upright cylinder shaped propogator used for growing tropical plants

Basically this is a way of growing plants without soil, relying on water-based systems usually containing nutrients. These systems use artificial lighting which copies sunlight as most hydroponic systems are found inside.

Check the following:
Bargain priced equipment: ahttp://www.basementlighting.com/googleadwords.htm
Information: http://en.wikipedia.org/wiki/Hydroponics
http://www.hydroponics.com/

Hope this helps x

there are plenty of ads in the back of lads mags or try the good old internet

ganja hahahahahaha