I see alot of Hyrdo Systems, some of them have 4 sites, some have 6,etc.. and I look at them and I wonder how could some of those system hold a full grown MJ plant.. Don't know anything about HYDRO.. but what size do I need to grow a full size MJ, seems like you would need bucket for each plant..

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Every girlfriend I ever had, has asked me
"Why do you always get HIGH before we have sex? arent I good enough?"
I tried to explain, and then I told her get high just once and lets fool around. They never ever asked me again.

You might need a bucket. However the hybrid plants of indica are small 3 and a half feet. Sativas are much taller they can be 8 to 10 feet. My system is small but holds 6 plants . What I found out was that my light was only lighting the top 1/3rd of the plant whitch almost got 3 feet. Alot of space wasted without side lighting. Many start to bud when the plants are only a foot or smaller. They will almost double in size. 6 small ones can make as much as one big one. The hydro part I would like to say is easy, almost. Planning and designing and paying for the setup is all about what you have to work with. We ain't all rich. I use a drip system. They work good. Tell us what size room or closet you have to work with and many will help.