any one got any old stuff laying around they wanna donate please

hey all you fellow growers im a poor student trying to grow some weed for my mates cos its costing them a fortune the only thing is i carnt really afford allthe effectie stuff so i ws wondering it anty of you guys had updated your equipment recently and was looking to get rid of the older lights and stuff please help the plants are doing ok but to get them to grow any more people keep telling me that i need to up date my set up any suggestions would help thankx