im a huge fan of cfls for many reasons. first off, are you aware of the lighting spectrum? you need to use blue light (6500k) for growing and red light (2700-3500k) for blooming. some people get confused by this and use tinted red and blue bulbs. dont do that. anyhow, try to trap the light as much as possible. a cheep resoultion would be to buy some white foam insulation pannels and completely incase your plant under the light. the only other way to increase your yeild is to use expensive soils and nutes. i stricktly use cfls and produce between 3-4 zips a plant and harvest 50 plants per grow. however,i keep hearing over and over mh and hps are more efficiant for blooming.im gonna try em out next cycle and see for my self. my only concern is i only have 5' of head room. i try to keep my plants at around 3'. also grow in a attick so heat is a concern. getting back to the point though, if you can scrounge up an extra 100$, itle be well worth getting some high quallity soil and nutes. oh yeah, the bennifits of cfls are: they dont get hot so you can keep em within inches of your plant and also doesnt raise the overall temp in my grow space, they use less than half the electricity lowwering my electric bill, the bulbs themselfs last 2-3 times as long and are cheaper to buy, the ballasts them selves can be resonably cheap to buy (the ones i use however were 400$ apeice) i also use shitty 8$ ones in tandem. dont worry, the cheaper ones are efficiant for 1-5 plants... heres a thought, if your satisfied with the quallity of your product, just grow 1 or 2 more
