Rootbound

but people say u only need 100w per plant

how much more do i need

For veg you can get away with 15w CFLs per foot if you want but I wouldn't go more then 1 foot between per 15w CFL. Flowering you need to most power. The way I had my setup done I was pulling 1/4 ounce off each plant every week because I put 1 plant in to flower under a single 45w CFL. When Flowering the tops are the gold spot the bottom parts isn't going to produce the biggest buds unless you give them alot of light at the bottom to but that's where the LST comes in hand because you can train your plant to grow flatter like its on the ground and thus making as much of the plant budding sites able to get the light. this can be very useful if you don't want to carry alot of plants you can grow your plants the LST way since the new growth grows up to the light.

So with like 70 how much u think I can get im not looking to get like a pound lol this is my first time with a bag seed it this is a good grow. Ima get better seeds

These are what i use
http://www.superoots.com/ plants don't get root bound and i vegged over 2 months in 2 gal pots check my journal!

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im thinking of makeing my 5gall into one of those

with 2 85w CFLs and depending on the strain you can pull maybe 1/2 ounce tops. Do SOG (Sea of Green) because with CFLs you can get better results with a SOG