you could even make one of them tents, from a frame and panda film. stick it asll together with sticky back velcro.
but id just get a light from ebay. and use an old closet to start.
you may find, after you buy the tent, growing isnt for you.
or the tent isnt big enuf.
just start out with the basics, untill you start throwing money around.
to start to only need 2 42watt flos, for 1st 4 week vegg.
in that time you could set up a grow closet.

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take me to your dealer.